1490666800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:420

約数の個数: 240

約数和(自身を含む): 4339722240

約数和(自身を除く): 2849055440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 79, 80, 92, 100, 112, 115, 140, 158, 161, 175, 184, 200, 230, 280, 293, 316, 322, 350, 368, 395, 400, 460, 553, 560, 575, 586, 632, 644, 700, 790, 805, 920, 1106, 1150, 1172, 1264, 1288, 1400, 1465, 1580, 1610, 1817, 1840, 1975, 2051, 2212, 2300, 2344, 2576, 2765, 2800, 2930, 3160, 3220, 3634, 3950, 4025, 4102, 4424, 4600, 4688, 5530, 5860, 6320, 6440, 6739, 7268, 7325, 7900, 8050, 8204, 8848, 9085, 9200, 10255, 11060, 11720, 12719, 12880, 13478, 13825, 14536, 14650, 15800, 16100, 16408, 18170, 20510, 22120, 23147, 23440, 25438, 26956, 27650, 29072, 29300, 31600, 32200, 32816, 33695, 36340, 41020, 44240, 45425, 46294, 47173, 50876, 51275, 53912, 55300, 58600, 63595, 64400, 67390, 72680, 82040, 90850, 92588, 94346, 101752, 102550, 107824, 110600, 115735, 117200, 127190, 134780, 145360, 162029, 164080, 168475, 181700, 185176, 188692, 203504, 205100, 221200, 231470, 235865, 254380, 269560, 317975, 324058, 336950, 363400, 370352, 377384, 410200, 462940, 471730, 508760, 532381, 539120, 578675, 635950, 648116, 673900, 726800, 754768, 810145, 820400, 925880, 943460, 1017520, 1064762, 1157350, 1179325, 1271900, 1296232, 1347800, 1620290, 1851760, 1886920, 2129524, 2314700, 2358650, 2543800, 2592464, 2661905, 2695600, 3240580, 3726667, 3773840, 4050725, 4259048, 4629400, 4717300, 5087600, 5323810, 6481160, 7453334, 8101450, 8518096, 9258800, 9434600, 10647620, 12962320, 13309525, 14906668, 16202900, 18633335, 18869200, 21295240, 26619050, 29813336, 32405800, 37266670, 42590480, 53238100, 59626672, 64811600, 74533340, 93166675, 106476200, 149066680, 186333350, 212952400, 298133360, 372666700, 745333400, 1490666800]

約数ペア:

[(1, 1490666800), (2, 745333400), (4, 372666700), (5, 298133360), (7, 212952400), (8, 186333350), (10, 149066680), (14, 106476200), (16, 93166675), (20, 74533340), (23, 64811600), (25, 59626672), (28, 53238100), (35, 42590480), (40, 37266670), (46, 32405800), (50, 29813336), (56, 26619050), (70, 21295240), (79, 18869200), (80, 18633335), (92, 16202900), (100, 14906668), (112, 13309525), (115, 12962320), (140, 10647620), (158, 9434600), (161, 9258800), (175, 8518096), (184, 8101450), (200, 7453334), (230, 6481160), (280, 5323810), (293, 5087600), (316, 4717300), (322, 4629400), (350, 4259048), (368, 4050725), (395, 3773840), (400, 3726667), (460, 3240580), (553, 2695600), (560, 2661905), (575, 2592464), (586, 2543800), (632, 2358650), (644, 2314700), (700, 2129524), (790, 1886920), (805, 1851760), (920, 1620290), (1106, 1347800), (1150, 1296232), (1172, 1271900), (1264, 1179325), (1288, 1157350), (1400, 1064762), (1465, 1017520), (1580, 943460), (1610, 925880), (1817, 820400), (1840, 810145), (1975, 754768), (2051, 726800), (2212, 673900), (2300, 648116), (2344, 635950), (2576, 578675), (2765, 539120), (2800, 532381), (2930, 508760), (3160, 471730), (3220, 462940), (3634, 410200), (3950, 377384), (4025, 370352), (4102, 363400), (4424, 336950), (4600, 324058), (4688, 317975), (5530, 269560), (5860, 254380), (6320, 235865), (6440, 231470), (6739, 221200), (7268, 205100), (7325, 203504), (7900, 188692), (8050, 185176), (8204, 181700), (8848, 168475), (9085, 164080), (9200, 162029), (10255, 145360), (11060, 134780), (11720, 127190), (12719, 117200), (12880, 115735), (13478, 110600), (13825, 107824), (14536, 102550), (14650, 101752), (15800, 94346), (16100, 92588), (16408, 90850), (18170, 82040), (20510, 72680), (22120, 67390), (23147, 64400), (23440, 63595), (25438, 58600), (26956, 55300), (27650, 53912), (29072, 51275), (29300, 50876), (31600, 47173), (32200, 46294), (32816, 45425), (33695, 44240), (36340, 41020)]