191540440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:653

約数の個数: 128

約数和(自身を含む): 536699520

約数和(自身を除く): 345159080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 101, 104, 130, 140, 182, 202, 260, 280, 364, 404, 455, 505, 520, 521, 707, 728, 808, 910, 1010, 1042, 1313, 1414, 1820, 2020, 2084, 2605, 2626, 2828, 3535, 3640, 3647, 4040, 4168, 5210, 5252, 5656, 6565, 6773, 7070, 7294, 9191, 10420, 10504, 13130, 13546, 14140, 14588, 18235, 18382, 20840, 26260, 27092, 28280, 29176, 33865, 36470, 36764, 45955, 47411, 52520, 52621, 54184, 67730, 72940, 73528, 91910, 94822, 105242, 135460, 145880, 183820, 189644, 210484, 237055, 263105, 270920, 367640, 368347, 379288, 420968, 474110, 526210, 684073, 736694, 948220, 1052420, 1368146, 1473388, 1841735, 1896440, 2104840, 2736292, 2946776, 3420365, 3683470, 4788511, 5472584, 6840730, 7366940, 9577022, 13681460, 14733880, 19154044, 23942555, 27362920, 38308088, 47885110, 95770220, 191540440]

約数ペア:

[(1, 191540440), (2, 95770220), (4, 47885110), (5, 38308088), (7, 27362920), (8, 23942555), (10, 19154044), (13, 14733880), (14, 13681460), (20, 9577022), (26, 7366940), (28, 6840730), (35, 5472584), (40, 4788511), (52, 3683470), (56, 3420365), (65, 2946776), (70, 2736292), (91, 2104840), (101, 1896440), (104, 1841735), (130, 1473388), (140, 1368146), (182, 1052420), (202, 948220), (260, 736694), (280, 684073), (364, 526210), (404, 474110), (455, 420968), (505, 379288), (520, 368347), (521, 367640), (707, 270920), (728, 263105), (808, 237055), (910, 210484), (1010, 189644), (1042, 183820), (1313, 145880), (1414, 135460), (1820, 105242), (2020, 94822), (2084, 91910), (2605, 73528), (2626, 72940), (2828, 67730), (3535, 54184), (3640, 52621), (3647, 52520), (4040, 47411), (4168, 45955), (5210, 36764), (5252, 36470), (5656, 33865), (6565, 29176), (6773, 28280), (7070, 27092), (7294, 26260), (9191, 20840), (10420, 18382), (10504, 18235), (13130, 14588), (13546, 14140)]