402450880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1087}}^1$

素因数の和:1206

約数の個数: 112

約数和(自身を含む): 1044610560

約数和(自身を除く): 642159680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 89, 104, 130, 160, 178, 208, 260, 320, 356, 416, 445, 520, 712, 832, 890, 1040, 1087, 1157, 1424, 1780, 2080, 2174, 2314, 2848, 3560, 4160, 4348, 4628, 5435, 5696, 5785, 7120, 8696, 9256, 10870, 11570, 14131, 14240, 17392, 18512, 21740, 23140, 28262, 28480, 34784, 37024, 43480, 46280, 56524, 69568, 70655, 74048, 86960, 92560, 96743, 113048, 141310, 173920, 185120, 193486, 226096, 282620, 347840, 370240, 386972, 452192, 483715, 565240, 773944, 904384, 967430, 1130480, 1257659, 1547888, 1934860, 2260960, 2515318, 3095776, 3869720, 4521920, 5030636, 6191552, 6288295, 7739440, 10061272, 12576590, 15478880, 20122544, 25153180, 30957760, 40245088, 50306360, 80490176, 100612720, 201225440, 402450880]

約数ペア:

[(1, 402450880), (2, 201225440), (4, 100612720), (5, 80490176), (8, 50306360), (10, 40245088), (13, 30957760), (16, 25153180), (20, 20122544), (26, 15478880), (32, 12576590), (40, 10061272), (52, 7739440), (64, 6288295), (65, 6191552), (80, 5030636), (89, 4521920), (104, 3869720), (130, 3095776), (160, 2515318), (178, 2260960), (208, 1934860), (260, 1547888), (320, 1257659), (356, 1130480), (416, 967430), (445, 904384), (520, 773944), (712, 565240), (832, 483715), (890, 452192), (1040, 386972), (1087, 370240), (1157, 347840), (1424, 282620), (1780, 226096), (2080, 193486), (2174, 185120), (2314, 173920), (2848, 141310), (3560, 113048), (4160, 96743), (4348, 92560), (4628, 86960), (5435, 74048), (5696, 70655), (5785, 69568), (7120, 56524), (8696, 46280), (9256, 43480), (10870, 37024), (11570, 34784), (14131, 28480), (14240, 28262), (17392, 23140), (18512, 21740)]