204049820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21211}}^1$

素因数の和:21270

約数の個数: 48

約数和(自身を含む): 473960928

約数和(自身を除く): 269911108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 21211, 42422, 84844, 106055, 212110, 275743, 424220, 551486, 784807, 1102972, 1378715, 1569614, 2757430, 3139228, 3924035, 5514860, 7848070, 10202491, 15696140, 20404982, 40809964, 51012455, 102024910, 204049820]

約数ペア:

[(1, 204049820), (2, 102024910), (4, 51012455), (5, 40809964), (10, 20404982), (13, 15696140), (20, 10202491), (26, 7848070), (37, 5514860), (52, 3924035), (65, 3139228), (74, 2757430), (130, 1569614), (148, 1378715), (185, 1102972), (260, 784807), (370, 551486), (481, 424220), (740, 275743), (962, 212110), (1924, 106055), (2405, 84844), (4810, 42422), (9620, 21211)]