198560

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:105

約数の個数: 48

約数和(自身を含む): 503496

約数和(自身を除く): 304936

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 73, 80, 85, 136, 146, 160, 170, 272, 292, 340, 365, 544, 584, 680, 730, 1168, 1241, 1360, 1460, 2336, 2482, 2720, 2920, 4964, 5840, 6205, 9928, 11680, 12410, 19856, 24820, 39712, 49640, 99280, 198560]

約数ペア:

[(1, 198560), (2, 99280), (4, 49640), (5, 39712), (8, 24820), (10, 19856), (16, 12410), (17, 11680), (20, 9928), (32, 6205), (34, 5840), (40, 4964), (68, 2920), (73, 2720), (80, 2482), (85, 2336), (136, 1460), (146, 1360), (160, 1241), (170, 1168), (272, 730), (292, 680), (340, 584), (365, 544)]