748052240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{719281}}^1$

素因数の和:719307

約数の個数: 40

約数和(自身を含む): 1873010328

約数和(自身を除く): 1124958088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 719281, 1438562, 2877124, 3596405, 5754248, 7192810, 9350653, 11508496, 14385620, 18701306, 28771240, 37402612, 46753265, 57542480, 74805224, 93506530, 149610448, 187013060, 374026120, 748052240]

約数ペア:

[(1, 748052240), (2, 374026120), (4, 187013060), (5, 149610448), (8, 93506530), (10, 74805224), (13, 57542480), (16, 46753265), (20, 37402612), (26, 28771240), (40, 18701306), (52, 14385620), (65, 11508496), (80, 9350653), (104, 7192810), (130, 5754248), (208, 3596405), (260, 2877124), (520, 1438562), (1040, 719281)]