405909460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{16927}}^1$

素因数の和:17056

約数の個数: 48

約数和(自身を含む): 938488320

約数和(自身を除く): 532578860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 4796, 5995, 11990, 16927, 23980, 33854, 67708, 84635, 169270, 186197, 338540, 372394, 744788, 930985, 1845043, 1861970, 3690086, 3723940, 7380172, 9225215, 18450430, 20295473, 36900860, 40590946, 81181892, 101477365, 202954730, 405909460]

約数ペア:

[(1, 405909460), (2, 202954730), (4, 101477365), (5, 81181892), (10, 40590946), (11, 36900860), (20, 20295473), (22, 18450430), (44, 9225215), (55, 7380172), (109, 3723940), (110, 3690086), (218, 1861970), (220, 1845043), (436, 930985), (545, 744788), (1090, 372394), (1199, 338540), (2180, 186197), (2398, 169270), (4796, 84635), (5995, 67708), (11990, 33854), (16927, 23980)]