1997585460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{853669}}^1$

素因数の和:853697

約数の個数: 72

約数和(自身を含む): 6525453480

約数和(自身を除く): 4527868020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 853669, 1707338, 2561007, 3414676, 4268345, 5122014, 7683021, 8536690, 10244028, 11097697, 12805035, 15366042, 17073380, 22195394, 25610070, 30732084, 33293091, 38415105, 44390788, 51220140, 55488485, 66586182, 76830210, 99879273, 110976970, 133172364, 153660420, 166465455, 199758546, 221953940, 332930910, 399517092, 499396365, 665861820, 998792730, 1997585460]

約数ペア:

[(1, 1997585460), (2, 998792730), (3, 665861820), (4, 499396365), (5, 399517092), (6, 332930910), (9, 221953940), (10, 199758546), (12, 166465455), (13, 153660420), (15, 133172364), (18, 110976970), (20, 99879273), (26, 76830210), (30, 66586182), (36, 55488485), (39, 51220140), (45, 44390788), (52, 38415105), (60, 33293091), (65, 30732084), (78, 25610070), (90, 22195394), (117, 17073380), (130, 15366042), (156, 12805035), (180, 11097697), (195, 10244028), (234, 8536690), (260, 7683021), (390, 5122014), (468, 4268345), (585, 3414676), (780, 2561007), (1170, 1707338), (2340, 853669)]