328475940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421123}}^1$

素因数の和:421148

約数の個数: 48

約数和(自身を含む): 990483648

約数和(自身を除く): 662007708

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, 421123, 842246, 1263369, 1684492, 2105615, 2526738, 4211230, 5053476, 5474599, 6316845, 8422460, 10949198, 12633690, 16423797, 21898396, 25267380, 27372995, 32847594, 54745990, 65695188, 82118985, 109491980, 164237970, 328475940]

約数ペア:

[(1, 328475940), (2, 164237970), (3, 109491980), (4, 82118985), (5, 65695188), (6, 54745990), (10, 32847594), (12, 27372995), (13, 25267380), (15, 21898396), (20, 16423797), (26, 12633690), (30, 10949198), (39, 8422460), (52, 6316845), (60, 5474599), (65, 5053476), (78, 4211230), (130, 2526738), (156, 2105615), (195, 1684492), (260, 1263369), (390, 842246), (780, 421123)]