248198340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{318203}}^1$

素因数の和:318228

約数の個数: 48

約数和(自身を含む): 748415808

約数和(自身を除く): 500217468

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, 318203, 636406, 954609, 1272812, 1591015, 1909218, 3182030, 3818436, 4136639, 4773045, 6364060, 8273278, 9546090, 12409917, 16546556, 19092180, 20683195, 24819834, 41366390, 49639668, 62049585, 82732780, 124099170, 248198340]

約数ペア:

[(1, 248198340), (2, 124099170), (3, 82732780), (4, 62049585), (5, 49639668), (6, 41366390), (10, 24819834), (12, 20683195), (13, 19092180), (15, 16546556), (20, 12409917), (26, 9546090), (30, 8273278), (39, 6364060), (52, 4773045), (60, 4136639), (65, 3818436), (78, 3182030), (130, 1909218), (156, 1591015), (195, 1272812), (260, 954609), (390, 636406), (780, 318203)]