313748240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{301681}}^1$

素因数の和:301707

約数の個数: 40

約数和(自身を含む): 785579928

約数和(自身を除く): 471831688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 301681, 603362, 1206724, 1508405, 2413448, 3016810, 3921853, 4826896, 6033620, 7843706, 12067240, 15687412, 19609265, 24134480, 31374824, 39218530, 62749648, 78437060, 156874120, 313748240]

約数ペア:

[(1, 313748240), (2, 156874120), (4, 78437060), (5, 62749648), (8, 39218530), (10, 31374824), (13, 24134480), (16, 19609265), (20, 15687412), (26, 12067240), (40, 7843706), (52, 6033620), (65, 4826896), (80, 3921853), (104, 3016810), (130, 2413448), (208, 1508405), (260, 1206724), (520, 603362), (1040, 301681)]