217821500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:133

約数の個数: 192

約数和(自身を含む): 563576832

約数和(自身を除く): 345755332

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 31, 46, 47, 50, 52, 62, 65, 92, 94, 100, 115, 124, 125, 130, 155, 188, 230, 235, 250, 260, 299, 310, 325, 403, 460, 470, 500, 575, 598, 611, 620, 650, 713, 775, 806, 940, 1081, 1150, 1175, 1196, 1222, 1300, 1426, 1457, 1495, 1550, 1612, 1625, 2015, 2162, 2300, 2350, 2444, 2852, 2875, 2914, 2990, 3055, 3100, 3250, 3565, 3875, 4030, 4324, 4700, 5405, 5750, 5828, 5875, 5980, 6110, 6500, 7130, 7285, 7475, 7750, 8060, 9269, 10075, 10810, 11500, 11750, 12220, 14053, 14260, 14570, 14950, 15275, 15500, 17825, 18538, 18941, 20150, 21620, 23500, 27025, 28106, 29140, 29900, 30550, 33511, 35650, 36425, 37076, 37375, 37882, 40300, 46345, 50375, 54050, 56212, 61100, 67022, 70265, 71300, 72850, 74750, 75764, 76375, 89125, 92690, 94705, 100750, 108100, 134044, 135125, 140530, 145700, 149500, 152750, 167555, 178250, 182125, 185380, 189410, 201500, 231725, 270250, 281060, 305500, 335110, 351325, 356500, 364250, 378820, 435643, 463450, 473525, 540500, 670220, 702650, 728500, 837775, 871286, 926900, 947050, 1158625, 1405300, 1675550, 1742572, 1756625, 1894100, 2178215, 2317250, 2367625, 3351100, 3513250, 4188875, 4356430, 4634500, 4735250, 7026500, 8377750, 8712860, 9470500, 10891075, 16755500, 21782150, 43564300, 54455375, 108910750, 217821500]

約数ペア:

[(1, 217821500), (2, 108910750), (4, 54455375), (5, 43564300), (10, 21782150), (13, 16755500), (20, 10891075), (23, 9470500), (25, 8712860), (26, 8377750), (31, 7026500), (46, 4735250), (47, 4634500), (50, 4356430), (52, 4188875), (62, 3513250), (65, 3351100), (92, 2367625), (94, 2317250), (100, 2178215), (115, 1894100), (124, 1756625), (125, 1742572), (130, 1675550), (155, 1405300), (188, 1158625), (230, 947050), (235, 926900), (250, 871286), (260, 837775), (299, 728500), (310, 702650), (325, 670220), (403, 540500), (460, 473525), (470, 463450), (500, 435643), (575, 378820), (598, 364250), (611, 356500), (620, 351325), (650, 335110), (713, 305500), (775, 281060), (806, 270250), (940, 231725), (1081, 201500), (1150, 189410), (1175, 185380), (1196, 182125), (1222, 178250), (1300, 167555), (1426, 152750), (1457, 149500), (1495, 145700), (1550, 140530), (1612, 135125), (1625, 134044), (2015, 108100), (2162, 100750), (2300, 94705), (2350, 92690), (2444, 89125), (2852, 76375), (2875, 75764), (2914, 74750), (2990, 72850), (3055, 71300), (3100, 70265), (3250, 67022), (3565, 61100), (3875, 56212), (4030, 54050), (4324, 50375), (4700, 46345), (5405, 40300), (5750, 37882), (5828, 37375), (5875, 37076), (5980, 36425), (6110, 35650), (6500, 33511), (7130, 30550), (7285, 29900), (7475, 29140), (7750, 28106), (8060, 27025), (9269, 23500), (10075, 21620), (10810, 20150), (11500, 18941), (11750, 18538), (12220, 17825), (14053, 15500), (14260, 15275), (14570, 14950)]