1900705500

素因数分解:

$2^2\times 3^4\times 5^3\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:763

約数の個数: 240

約数和(自身を含む): 6297939648

約数和(自身を除く): 4397234148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 71, 75, 81, 90, 100, 108, 125, 135, 142, 150, 162, 180, 213, 225, 250, 270, 284, 300, 324, 355, 375, 405, 426, 450, 500, 540, 639, 661, 675, 710, 750, 810, 852, 900, 1065, 1125, 1278, 1322, 1350, 1420, 1500, 1620, 1775, 1917, 1983, 2025, 2130, 2250, 2556, 2644, 2700, 3195, 3305, 3375, 3550, 3834, 3966, 4050, 4260, 4500, 5325, 5751, 5949, 6390, 6610, 6750, 7100, 7668, 7932, 8100, 8875, 9585, 9915, 10125, 10650, 11502, 11898, 12780, 13220, 13500, 15975, 16525, 17750, 17847, 19170, 19830, 20250, 21300, 23004, 23796, 26625, 28755, 29745, 31950, 33050, 35500, 35694, 38340, 39660, 40500, 46931, 47925, 49575, 53250, 53541, 57510, 59490, 63900, 66100, 71388, 79875, 82625, 89235, 93862, 95850, 99150, 106500, 107082, 115020, 118980, 140793, 143775, 148725, 159750, 165250, 178470, 187724, 191700, 198300, 214164, 234655, 239625, 247875, 267705, 281586, 287550, 297450, 319500, 330500, 356940, 422379, 446175, 469310, 479250, 495750, 535410, 563172, 575100, 594900, 703965, 718875, 743625, 844758, 892350, 938620, 958500, 991500, 1070820, 1173275, 1267137, 1338525, 1407930, 1437750, 1487250, 1689516, 1784700, 2111895, 2230875, 2346550, 2534274, 2677050, 2815860, 2875500, 2974500, 3519825, 3801411, 4223790, 4461750, 4693100, 5068548, 5354100, 5866375, 6335685, 6692625, 7039650, 7602822, 8447580, 8923500, 10559475, 11732750, 12671370, 13385250, 14079300, 15205644, 17599125, 19007055, 21118950, 23465500, 25342740, 26770500, 31678425, 35198250, 38014110, 42237900, 52797375, 63356850, 70396500, 76028220, 95035275, 105594750, 126713700, 158392125, 190070550, 211189500, 316784250, 380141100, 475176375, 633568500, 950352750, 1900705500]

約数ペア:

[(1, 1900705500), (2, 950352750), (3, 633568500), (4, 475176375), (5, 380141100), (6, 316784250), (9, 211189500), (10, 190070550), (12, 158392125), (15, 126713700), (18, 105594750), (20, 95035275), (25, 76028220), (27, 70396500), (30, 63356850), (36, 52797375), (45, 42237900), (50, 38014110), (54, 35198250), (60, 31678425), (71, 26770500), (75, 25342740), (81, 23465500), (90, 21118950), (100, 19007055), (108, 17599125), (125, 15205644), (135, 14079300), (142, 13385250), (150, 12671370), (162, 11732750), (180, 10559475), (213, 8923500), (225, 8447580), (250, 7602822), (270, 7039650), (284, 6692625), (300, 6335685), (324, 5866375), (355, 5354100), (375, 5068548), (405, 4693100), (426, 4461750), (450, 4223790), (500, 3801411), (540, 3519825), (639, 2974500), (661, 2875500), (675, 2815860), (710, 2677050), (750, 2534274), (810, 2346550), (852, 2230875), (900, 2111895), (1065, 1784700), (1125, 1689516), (1278, 1487250), (1322, 1437750), (1350, 1407930), (1420, 1338525), (1500, 1267137), (1620, 1173275), (1775, 1070820), (1917, 991500), (1983, 958500), (2025, 938620), (2130, 892350), (2250, 844758), (2556, 743625), (2644, 718875), (2700, 703965), (3195, 594900), (3305, 575100), (3375, 563172), (3550, 535410), (3834, 495750), (3966, 479250), (4050, 469310), (4260, 446175), (4500, 422379), (5325, 356940), (5751, 330500), (5949, 319500), (6390, 297450), (6610, 287550), (6750, 281586), (7100, 267705), (7668, 247875), (7932, 239625), (8100, 234655), (8875, 214164), (9585, 198300), (9915, 191700), (10125, 187724), (10650, 178470), (11502, 165250), (11898, 159750), (12780, 148725), (13220, 143775), (13500, 140793), (15975, 118980), (16525, 115020), (17750, 107082), (17847, 106500), (19170, 99150), (19830, 95850), (20250, 93862), (21300, 89235), (23004, 82625), (23796, 79875), (26625, 71388), (28755, 66100), (29745, 63900), (31950, 59490), (33050, 57510), (35500, 53541), (35694, 53250), (38340, 49575), (39660, 47925), (40500, 46931)]