187904020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{13177}}^1$

素因数の和:13240

約数の個数: 48

約数和(自身を含む): 425069568

約数和(自身を除く): 237165548

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1426, 2852, 3565, 7130, 13177, 14260, 26354, 52708, 65885, 131770, 263540, 303071, 408487, 606142, 816974, 1212284, 1515355, 1633948, 2042435, 3030710, 4084870, 6061420, 8169740, 9395201, 18790402, 37580804, 46976005, 93952010, 187904020]

約数ペア:

[(1, 187904020), (2, 93952010), (4, 46976005), (5, 37580804), (10, 18790402), (20, 9395201), (23, 8169740), (31, 6061420), (46, 4084870), (62, 3030710), (92, 2042435), (115, 1633948), (124, 1515355), (155, 1212284), (230, 816974), (310, 606142), (460, 408487), (620, 303071), (713, 263540), (1426, 131770), (2852, 65885), (3565, 52708), (7130, 26354), (13177, 14260)]