222499420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{77797}}^1$

素因数の和:77830

約数の個数: 48

約数和(自身を含む): 548942688

約数和(自身を除く): 326443268

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 77797, 155594, 311188, 388985, 777970, 855767, 1011361, 1555940, 1711534, 2022722, 3423068, 4045444, 4278835, 5056805, 8557670, 10113610, 11124971, 17115340, 20227220, 22249942, 44499884, 55624855, 111249710, 222499420]

約数ペア:

[(1, 222499420), (2, 111249710), (4, 55624855), (5, 44499884), (10, 22249942), (11, 20227220), (13, 17115340), (20, 11124971), (22, 10113610), (26, 8557670), (44, 5056805), (52, 4278835), (55, 4045444), (65, 3423068), (110, 2022722), (130, 1711534), (143, 1555940), (220, 1011361), (260, 855767), (286, 777970), (572, 388985), (715, 311188), (1430, 155594), (2860, 77797)]