775580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 1858080

約数和(自身を除く): 1082500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 157, 190, 247, 260, 314, 380, 494, 628, 785, 988, 1235, 1570, 2041, 2470, 2983, 3140, 4082, 4940, 5966, 8164, 10205, 11932, 14915, 20410, 29830, 38779, 40820, 59660, 77558, 155116, 193895, 387790, 775580]

約数ペア:

[(1, 775580), (2, 387790), (4, 193895), (5, 155116), (10, 77558), (13, 59660), (19, 40820), (20, 38779), (26, 29830), (38, 20410), (52, 14915), (65, 11932), (76, 10205), (95, 8164), (130, 5966), (157, 4940), (190, 4082), (247, 3140), (260, 2983), (314, 2470), (380, 2041), (494, 1570), (628, 1235), (785, 988)]