209918010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3851}}^1$

素因数の和:3963

約数の個数: 64

約数和(自身を含む): 532500480

約数和(自身を除く): 322582470

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 79, 115, 138, 158, 230, 237, 345, 395, 474, 690, 790, 1185, 1817, 2370, 3634, 3851, 5451, 7702, 9085, 10902, 11553, 18170, 19255, 23106, 27255, 38510, 54510, 57765, 88573, 115530, 177146, 265719, 304229, 442865, 531438, 608458, 885730, 912687, 1328595, 1521145, 1825374, 2657190, 3042290, 4563435, 6997267, 9126870, 13994534, 20991801, 34986335, 41983602, 69972670, 104959005, 209918010]

約数ペア:

[(1, 209918010), (2, 104959005), (3, 69972670), (5, 41983602), (6, 34986335), (10, 20991801), (15, 13994534), (23, 9126870), (30, 6997267), (46, 4563435), (69, 3042290), (79, 2657190), (115, 1825374), (138, 1521145), (158, 1328595), (230, 912687), (237, 885730), (345, 608458), (395, 531438), (474, 442865), (690, 304229), (790, 265719), (1185, 177146), (1817, 115530), (2370, 88573), (3634, 57765), (3851, 54510), (5451, 38510), (7702, 27255), (9085, 23106), (10902, 19255), (11553, 18170)]