312960280

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{69239}}^1$

素因数の和:69363

約数の個数: 32

約数和(自身を含む): 710402400

約数和(自身を除く): 397442120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 69239, 138478, 276956, 346195, 553912, 692390, 1384780, 2769560, 7824007, 15648014, 31296028, 39120035, 62592056, 78240070, 156480140, 312960280]

約数ペア:

[(1, 312960280), (2, 156480140), (4, 78240070), (5, 62592056), (8, 39120035), (10, 31296028), (20, 15648014), (40, 7824007), (113, 2769560), (226, 1384780), (452, 692390), (565, 553912), (904, 346195), (1130, 276956), (2260, 138478), (4520, 69239)]