259251140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^2$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 577688832

約数和(自身を除く): 318437692

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 79, 124, 134, 155, 158, 268, 310, 316, 335, 395, 620, 670, 790, 1340, 1580, 2077, 2449, 4154, 4898, 5293, 6241, 8308, 9796, 10385, 10586, 12245, 12482, 20770, 21172, 24490, 24964, 26465, 31205, 41540, 48980, 52930, 62410, 105860, 124820, 164083, 193471, 328166, 386942, 418147, 656332, 773884, 820415, 836294, 967355, 1640830, 1672588, 1934710, 2090735, 3281660, 3869420, 4181470, 8362940, 12962557, 25925114, 51850228, 64812785, 129625570, 259251140]

約数ペア:

[(1, 259251140), (2, 129625570), (4, 64812785), (5, 51850228), (10, 25925114), (20, 12962557), (31, 8362940), (62, 4181470), (67, 3869420), (79, 3281660), (124, 2090735), (134, 1934710), (155, 1672588), (158, 1640830), (268, 967355), (310, 836294), (316, 820415), (335, 773884), (395, 656332), (620, 418147), (670, 386942), (790, 328166), (1340, 193471), (1580, 164083), (2077, 124820), (2449, 105860), (4154, 62410), (4898, 52930), (5293, 48980), (6241, 41540), (8308, 31205), (9796, 26465), (10385, 24964), (10586, 24490), (12245, 21172), (12482, 20770)]