88741420

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 190159200

約数和(自身を除く): 101417780

約数列:

[1, 2, 4, 5, 10, 20, 97, 149, 194, 298, 307, 388, 485, 596, 614, 745, 970, 1228, 1490, 1535, 1940, 2980, 3070, 6140, 14453, 28906, 29779, 45743, 57812, 59558, 72265, 91486, 119116, 144530, 148895, 182972, 228715, 289060, 297790, 457430, 595580, 914860, 4437071, 8874142, 17748284, 22185355, 44370710, 88741420]

約数ペア:

[(1, 88741420), (2, 44370710), (4, 22185355), (5, 17748284), (10, 8874142), (20, 4437071), (97, 914860), (149, 595580), (194, 457430), (298, 297790), (307, 289060), (388, 228715), (485, 182972), (596, 148895), (614, 144530), (745, 119116), (970, 91486), (1228, 72265), (1490, 59558), (1535, 57812), (1940, 45743), (2980, 29779), (3070, 28906), (6140, 14453)]