16920100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 40075560

約数和(自身を除く): 23155460

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 37, 50, 68, 74, 85, 100, 148, 170, 185, 269, 340, 370, 425, 538, 629, 740, 850, 925, 1076, 1258, 1345, 1700, 1850, 2516, 2690, 3145, 3700, 4573, 5380, 6290, 6725, 9146, 9953, 12580, 13450, 15725, 18292, 19906, 22865, 26900, 31450, 39812, 45730, 49765, 62900, 91460, 99530, 114325, 169201, 199060, 228650, 248825, 338402, 457300, 497650, 676804, 846005, 995300, 1692010, 3384020, 4230025, 8460050, 16920100]

約数ペア:

[(1, 16920100), (2, 8460050), (4, 4230025), (5, 3384020), (10, 1692010), (17, 995300), (20, 846005), (25, 676804), (34, 497650), (37, 457300), (50, 338402), (68, 248825), (74, 228650), (85, 199060), (100, 169201), (148, 114325), (170, 99530), (185, 91460), (269, 62900), (340, 49765), (370, 45730), (425, 39812), (538, 31450), (629, 26900), (740, 22865), (850, 19906), (925, 18292), (1076, 15725), (1258, 13450), (1345, 12580), (1700, 9953), (1850, 9146), (2516, 6725), (2690, 6290), (3145, 5380), (3700, 4573)]