768002020

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1\times {\mathrm{1433}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 1634347008

約数和(自身を除く): 866344988

約数列:

[1, 2, 4, 5, 10, 20, 127, 211, 254, 422, 508, 635, 844, 1055, 1270, 1433, 2110, 2540, 2866, 4220, 5732, 7165, 14330, 26797, 28660, 53594, 107188, 133985, 181991, 267970, 302363, 363982, 535940, 604726, 727964, 909955, 1209452, 1511815, 1819910, 3023630, 3639820, 6047260, 38400101, 76800202, 153600404, 192000505, 384001010, 768002020]

約数ペア:

[(1, 768002020), (2, 384001010), (4, 192000505), (5, 153600404), (10, 76800202), (20, 38400101), (127, 6047260), (211, 3639820), (254, 3023630), (422, 1819910), (508, 1511815), (635, 1209452), (844, 909955), (1055, 727964), (1270, 604726), (1433, 535940), (2110, 363982), (2540, 302363), (2866, 267970), (4220, 181991), (5732, 133985), (7165, 107188), (14330, 53594), (26797, 28660)]