720227300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2243}}^1$

素因数の和:2302

約数の個数: 108

約数和(自身を含む): 1782229680

約数和(自身を除く): 1062002380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 169, 190, 247, 260, 325, 338, 380, 475, 494, 650, 676, 845, 950, 988, 1235, 1300, 1690, 1900, 2243, 2470, 3211, 3380, 4225, 4486, 4940, 6175, 6422, 8450, 8972, 11215, 12350, 12844, 16055, 16900, 22430, 24700, 29159, 32110, 42617, 44860, 56075, 58318, 64220, 80275, 85234, 112150, 116636, 145795, 160550, 170468, 213085, 224300, 291590, 321100, 379067, 426170, 554021, 583180, 728975, 758134, 852340, 1065425, 1108042, 1457950, 1516268, 1895335, 2130850, 2216084, 2770105, 2915900, 3790670, 4261700, 5540210, 7202273, 7581340, 9476675, 11080420, 13850525, 14404546, 18953350, 27701050, 28809092, 36011365, 37906700, 55402100, 72022730, 144045460, 180056825, 360113650, 720227300]

約数ペア:

[(1, 720227300), (2, 360113650), (4, 180056825), (5, 144045460), (10, 72022730), (13, 55402100), (19, 37906700), (20, 36011365), (25, 28809092), (26, 27701050), (38, 18953350), (50, 14404546), (52, 13850525), (65, 11080420), (76, 9476675), (95, 7581340), (100, 7202273), (130, 5540210), (169, 4261700), (190, 3790670), (247, 2915900), (260, 2770105), (325, 2216084), (338, 2130850), (380, 1895335), (475, 1516268), (494, 1457950), (650, 1108042), (676, 1065425), (845, 852340), (950, 758134), (988, 728975), (1235, 583180), (1300, 554021), (1690, 426170), (1900, 379067), (2243, 321100), (2470, 291590), (3211, 224300), (3380, 213085), (4225, 170468), (4486, 160550), (4940, 145795), (6175, 116636), (6422, 112150), (8450, 85234), (8972, 80275), (11215, 64220), (12350, 58318), (12844, 56075), (16055, 44860), (16900, 42617), (22430, 32110), (24700, 29159)]