628993480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{17609}}^1$

素因数の和:17686

約数の個数: 64

約数和(自身を含む): 1521504000

約数和(自身を除く): 892510520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1786, 1880, 3572, 4465, 7144, 8930, 17609, 17860, 35218, 35720, 70436, 88045, 140872, 176090, 334571, 352180, 669142, 704360, 827623, 1338284, 1655246, 1672855, 2676568, 3310492, 3345710, 4138115, 6620984, 6691420, 8276230, 13382840, 15724837, 16552460, 31449674, 33104920, 62899348, 78624185, 125798696, 157248370, 314496740, 628993480]

約数ペア:

[(1, 628993480), (2, 314496740), (4, 157248370), (5, 125798696), (8, 78624185), (10, 62899348), (19, 33104920), (20, 31449674), (38, 16552460), (40, 15724837), (47, 13382840), (76, 8276230), (94, 6691420), (95, 6620984), (152, 4138115), (188, 3345710), (190, 3310492), (235, 2676568), (376, 1672855), (380, 1655246), (470, 1338284), (760, 827623), (893, 704360), (940, 669142), (1786, 352180), (1880, 334571), (3572, 176090), (4465, 140872), (7144, 88045), (8930, 70436), (17609, 35720), (17860, 35218)]