488571980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{81701}}^1$

素因数の和:81746

約数の個数: 48

約数和(自身を含む): 1152978624

約数和(自身を除く): 664406644

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 81701, 163402, 326804, 408505, 817010, 1062113, 1634020, 1879123, 2124226, 3758246, 4248452, 5310565, 7516492, 9395615, 10621130, 18791230, 21242260, 24428599, 37582460, 48857198, 97714396, 122142995, 244285990, 488571980]

約数ペア:

[(1, 488571980), (2, 244285990), (4, 122142995), (5, 97714396), (10, 48857198), (13, 37582460), (20, 24428599), (23, 21242260), (26, 18791230), (46, 10621130), (52, 9395615), (65, 7516492), (92, 5310565), (115, 4248452), (130, 3758246), (230, 2124226), (260, 1879123), (299, 1634020), (460, 1062113), (598, 817010), (1196, 408505), (1495, 326804), (2990, 163402), (5980, 81701)]