320414968

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 645012000

約数和(自身を除く): 324597032

約数列:

[1, 2, 4, 8, 29, 37, 58, 74, 116, 148, 163, 229, 232, 296, 326, 458, 652, 916, 1073, 1304, 1832, 2146, 4292, 4727, 6031, 6641, 8473, 8584, 9454, 12062, 13282, 16946, 18908, 24124, 26564, 33892, 37327, 37816, 48248, 53128, 67784, 74654, 149308, 174899, 245717, 298616, 349798, 491434, 699596, 982868, 1082483, 1381099, 1399192, 1965736, 2164966, 2762198, 4329932, 5524396, 8659864, 11048792, 40051871, 80103742, 160207484, 320414968]

約数ペア:

[(1, 320414968), (2, 160207484), (4, 80103742), (8, 40051871), (29, 11048792), (37, 8659864), (58, 5524396), (74, 4329932), (116, 2762198), (148, 2164966), (163, 1965736), (229, 1399192), (232, 1381099), (296, 1082483), (326, 982868), (458, 699596), (652, 491434), (916, 349798), (1073, 298616), (1304, 245717), (1832, 174899), (2146, 149308), (4292, 74654), (4727, 67784), (6031, 53128), (6641, 48248), (8473, 37816), (8584, 37327), (9454, 33892), (12062, 26564), (13282, 24124), (16946, 18908)]