3968906620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{180569}}^1$

素因数の和:180742

約数の個数: 48

約数和(自身を含む): 9586100160

約数和(自身を除く): 5617193540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 10990, 21980, 180569, 361138, 722276, 902845, 1263983, 1805690, 2527966, 3611380, 5055932, 6319915, 12639830, 25279660, 28349333, 56698666, 113397332, 141746665, 198445331, 283493330, 396890662, 566986660, 793781324, 992226655, 1984453310, 3968906620]

約数ペア:

[(1, 3968906620), (2, 1984453310), (4, 992226655), (5, 793781324), (7, 566986660), (10, 396890662), (14, 283493330), (20, 198445331), (28, 141746665), (35, 113397332), (70, 56698666), (140, 28349333), (157, 25279660), (314, 12639830), (628, 6319915), (785, 5055932), (1099, 3611380), (1570, 2527966), (2198, 1805690), (3140, 1263983), (4396, 902845), (5495, 722276), (10990, 361138), (21980, 180569)]