178480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:133

約数の個数: 40

約数和(自身を含む): 437472

約数和(自身を除く): 258992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 97, 115, 184, 194, 230, 368, 388, 460, 485, 776, 920, 970, 1552, 1840, 1940, 2231, 3880, 4462, 7760, 8924, 11155, 17848, 22310, 35696, 44620, 89240, 178480]

約数ペア:

[(1, 178480), (2, 89240), (4, 44620), (5, 35696), (8, 22310), (10, 17848), (16, 11155), (20, 8924), (23, 7760), (40, 4462), (46, 3880), (80, 2231), (92, 1940), (97, 1840), (115, 1552), (184, 970), (194, 920), (230, 776), (368, 485), (388, 460)]