71348990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 146188800

約数和(自身を除く): 74839810

約数列:

[1, 2, 5, 10, 19, 23, 29, 38, 46, 58, 95, 115, 145, 190, 230, 290, 437, 551, 563, 667, 874, 1102, 1126, 1334, 2185, 2755, 2815, 3335, 4370, 5510, 5630, 6670, 10697, 12673, 12949, 16327, 21394, 25346, 25898, 32654, 53485, 63365, 64745, 81635, 106970, 126730, 129490, 163270, 246031, 310213, 375521, 492062, 620426, 751042, 1230155, 1551065, 1877605, 2460310, 3102130, 3755210, 7134899, 14269798, 35674495, 71348990]

約数ペア:

[(1, 71348990), (2, 35674495), (5, 14269798), (10, 7134899), (19, 3755210), (23, 3102130), (29, 2460310), (38, 1877605), (46, 1551065), (58, 1230155), (95, 751042), (115, 620426), (145, 492062), (190, 375521), (230, 310213), (290, 246031), (437, 163270), (551, 129490), (563, 126730), (667, 106970), (874, 81635), (1102, 64745), (1126, 63365), (1334, 53485), (2185, 32654), (2755, 25898), (2815, 25346), (3335, 21394), (4370, 16327), (5510, 12949), (5630, 12673), (6670, 10697)]