321819940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{95213}}^1$

素因数の和:95248

約数の個数: 36

約数和(自身を含む): 731814804

約数和(自身を除く): 409994864

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 95213, 190426, 380852, 476065, 952130, 1237769, 1904260, 2475538, 4951076, 6188845, 12377690, 16090997, 24755380, 32181994, 64363988, 80454985, 160909970, 321819940]

約数ペア:

[(1, 321819940), (2, 160909970), (4, 80454985), (5, 64363988), (10, 32181994), (13, 24755380), (20, 16090997), (26, 12377690), (52, 6188845), (65, 4951076), (130, 2475538), (169, 1904260), (260, 1237769), (338, 952130), (676, 476065), (845, 380852), (1690, 190426), (3380, 95213)]