291212220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373349}}^1$

素因数の和:373374

約数の個数: 48

約数和(自身を含む): 878119200

約数和(自身を除く): 586906980

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, 373349, 746698, 1120047, 1493396, 1866745, 2240094, 3733490, 4480188, 4853537, 5600235, 7466980, 9707074, 11200470, 14560611, 19414148, 22400940, 24267685, 29121222, 48535370, 58242444, 72803055, 97070740, 145606110, 291212220]

約数ペア:

[(1, 291212220), (2, 145606110), (3, 97070740), (4, 72803055), (5, 58242444), (6, 48535370), (10, 29121222), (12, 24267685), (13, 22400940), (15, 19414148), (20, 14560611), (26, 11200470), (30, 9707074), (39, 7466980), (52, 5600235), (60, 4853537), (65, 4480188), (78, 3733490), (130, 2240094), (156, 1866745), (195, 1493396), (260, 1120047), (390, 746698), (780, 373349)]