428930580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{549911}}^1$

素因数の和:549936

約数の個数: 48

約数和(自身を含む): 1293393024

約数和(自身を除く): 864462444

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, 549911, 1099822, 1649733, 2199644, 2749555, 3299466, 5499110, 6598932, 7148843, 8248665, 10998220, 14297686, 16497330, 21446529, 28595372, 32994660, 35744215, 42893058, 71488430, 85786116, 107232645, 142976860, 214465290, 428930580]

約数ペア:

[(1, 428930580), (2, 214465290), (3, 142976860), (4, 107232645), (5, 85786116), (6, 71488430), (10, 42893058), (12, 35744215), (13, 32994660), (15, 28595372), (20, 21446529), (26, 16497330), (30, 14297686), (39, 10998220), (52, 8248665), (60, 7148843), (65, 6598932), (78, 5499110), (130, 3299466), (156, 2749555), (195, 2199644), (260, 1649733), (390, 1099822), (780, 549911)]