814376420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{284747}}^1$

素因数の和:284780

約数の個数: 48

約数和(自身を含む): 2009181888

約数和(自身を除く): 1194805468

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 284747, 569494, 1138988, 1423735, 2847470, 3132217, 3701711, 5694940, 6264434, 7403422, 12528868, 14806844, 15661085, 18508555, 31322170, 37017110, 40718821, 62644340, 74034220, 81437642, 162875284, 203594105, 407188210, 814376420]

約数ペア:

[(1, 814376420), (2, 407188210), (4, 203594105), (5, 162875284), (10, 81437642), (11, 74034220), (13, 62644340), (20, 40718821), (22, 37017110), (26, 31322170), (44, 18508555), (52, 15661085), (55, 14806844), (65, 12528868), (110, 7403422), (130, 6264434), (143, 5694940), (220, 3701711), (260, 3132217), (286, 2847470), (572, 1423735), (715, 1138988), (1430, 569494), (2860, 284747)]