2172782810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{11681}}^1$

素因数の和:11807

約数の個数: 64

約数和(自身を含む): 4541961600

約数和(自身を除く): 2369178790

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 89, 95, 110, 178, 190, 209, 418, 445, 890, 979, 1045, 1691, 1958, 2090, 3382, 4895, 8455, 9790, 11681, 16910, 18601, 23362, 37202, 58405, 93005, 116810, 128491, 186010, 221939, 256982, 443878, 642455, 1039609, 1109695, 1284910, 2079218, 2219390, 2441329, 4882658, 5198045, 10396090, 11435699, 12206645, 19752571, 22871398, 24413290, 39505142, 57178495, 98762855, 114356990, 197525710, 217278281, 434556562, 1086391405, 2172782810]

約数ペア:

[(1, 2172782810), (2, 1086391405), (5, 434556562), (10, 217278281), (11, 197525710), (19, 114356990), (22, 98762855), (38, 57178495), (55, 39505142), (89, 24413290), (95, 22871398), (110, 19752571), (178, 12206645), (190, 11435699), (209, 10396090), (418, 5198045), (445, 4882658), (890, 2441329), (979, 2219390), (1045, 2079218), (1691, 1284910), (1958, 1109695), (2090, 1039609), (3382, 642455), (4895, 443878), (8455, 256982), (9790, 221939), (11681, 186010), (16910, 128491), (18601, 116810), (23362, 93005), (37202, 58405)]