1288331380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{317323}}^1$

素因数の和:317368

約数の個数: 48

約数和(自身を含む): 3198625920

約数和(自身を除く): 1910294540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 317323, 634646, 1269292, 1586615, 2221261, 3173230, 4442522, 6346460, 8885044, 9202367, 11106305, 18404734, 22212610, 36809468, 44425220, 46011835, 64416569, 92023670, 128833138, 184047340, 257666276, 322082845, 644165690, 1288331380]

約数ペア:

[(1, 1288331380), (2, 644165690), (4, 322082845), (5, 257666276), (7, 184047340), (10, 128833138), (14, 92023670), (20, 64416569), (28, 46011835), (29, 44425220), (35, 36809468), (58, 22212610), (70, 18404734), (116, 11106305), (140, 9202367), (145, 8885044), (203, 6346460), (290, 4442522), (406, 3173230), (580, 2221261), (812, 1586615), (1015, 1269292), (2030, 634646), (4060, 317323)]