311748060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{399677}}^1$

素因数の和:399702

約数の個数: 48

約数和(自身を含む): 940042656

約数和(自身を除く): 628294596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 399677, 799354, 1199031, 1598708, 1998385, 2398062, 3996770, 4796124, 5195801, 5995155, 7993540, 10391602, 11990310, 15587403, 20783204, 23980620, 25979005, 31174806, 51958010, 62349612, 77937015, 103916020, 155874030, 311748060]

約数ペア:

[(1, 311748060), (2, 155874030), (3, 103916020), (4, 77937015), (5, 62349612), (6, 51958010), (10, 31174806), (12, 25979005), (13, 23980620), (15, 20783204), (20, 15587403), (26, 11990310), (30, 10391602), (39, 7993540), (52, 5995155), (60, 5195801), (65, 4796124), (78, 3996770), (130, 2398062), (156, 1998385), (195, 1598708), (260, 1199031), (390, 799354), (780, 399677)]