164533580

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 351031296

約数和(自身を除く): 186497716

約数列:

[1, 2, 4, 5, 10, 20, 127, 211, 254, 307, 422, 508, 614, 635, 844, 1055, 1228, 1270, 1535, 2110, 2540, 3070, 4220, 6140, 26797, 38989, 53594, 64777, 77978, 107188, 129554, 133985, 155956, 194945, 259108, 267970, 323885, 389890, 535940, 647770, 779780, 1295540, 8226679, 16453358, 32906716, 41133395, 82266790, 164533580]

約数ペア:

[(1, 164533580), (2, 82266790), (4, 41133395), (5, 32906716), (10, 16453358), (20, 8226679), (127, 1295540), (211, 779780), (254, 647770), (307, 535940), (422, 389890), (508, 323885), (614, 267970), (635, 259108), (844, 194945), (1055, 155956), (1228, 133985), (1270, 129554), (1535, 107188), (2110, 77978), (2540, 64777), (3070, 53594), (4220, 38989), (6140, 26797)]