251284280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{483239}}^1$

素因数の和:483263

約数の個数: 32

約数和(自身を含む): 608882400

約数和(自身を除く): 357598120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 483239, 966478, 1932956, 2416195, 3865912, 4832390, 6282107, 9664780, 12564214, 19329560, 25128428, 31410535, 50256856, 62821070, 125642140, 251284280]

約数ペア:

[(1, 251284280), (2, 125642140), (4, 62821070), (5, 50256856), (8, 31410535), (10, 25128428), (13, 19329560), (20, 12564214), (26, 9664780), (40, 6282107), (52, 4832390), (65, 3865912), (104, 2416195), (130, 1932956), (260, 966478), (520, 483239)]