390660920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11213}}^1$

素因数の和:11304

約数の個数: 64

約数和(自身を含む): 960815520

約数和(自身を除く): 570154600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 2680, 3484, 4355, 6968, 8710, 11213, 17420, 22426, 34840, 44852, 56065, 89704, 112130, 145769, 224260, 291538, 448520, 583076, 728845, 751271, 1166152, 1457690, 1502542, 2915380, 3005084, 3756355, 5830760, 6010168, 7512710, 9766523, 15025420, 19533046, 30050840, 39066092, 48832615, 78132184, 97665230, 195330460, 390660920]

約数ペア:

[(1, 390660920), (2, 195330460), (4, 97665230), (5, 78132184), (8, 48832615), (10, 39066092), (13, 30050840), (20, 19533046), (26, 15025420), (40, 9766523), (52, 7512710), (65, 6010168), (67, 5830760), (104, 3756355), (130, 3005084), (134, 2915380), (260, 1502542), (268, 1457690), (335, 1166152), (520, 751271), (536, 728845), (670, 583076), (871, 448520), (1340, 291538), (1742, 224260), (2680, 145769), (3484, 112130), (4355, 89704), (6968, 56065), (8710, 44852), (11213, 34840), (17420, 22426)]