213022390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1103}}^1$

素因数の和:1237

約数の個数: 64

約数和(自身を含む): 457850880

約数和(自身を除く): 244828490

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 89, 155, 178, 217, 310, 434, 445, 623, 890, 1085, 1103, 1246, 2170, 2206, 2759, 3115, 5515, 5518, 6230, 7721, 11030, 13795, 15442, 19313, 27590, 34193, 38605, 38626, 68386, 77210, 96565, 98167, 170965, 193130, 196334, 239351, 341930, 478702, 490835, 687169, 981670, 1196755, 1374338, 2393510, 3043177, 3435845, 6086354, 6871690, 15215885, 21302239, 30431770, 42604478, 106511195, 213022390]

約数ペア:

[(1, 213022390), (2, 106511195), (5, 42604478), (7, 30431770), (10, 21302239), (14, 15215885), (31, 6871690), (35, 6086354), (62, 3435845), (70, 3043177), (89, 2393510), (155, 1374338), (178, 1196755), (217, 981670), (310, 687169), (434, 490835), (445, 478702), (623, 341930), (890, 239351), (1085, 196334), (1103, 193130), (1246, 170965), (2170, 98167), (2206, 96565), (2759, 77210), (3115, 68386), (5515, 38626), (5518, 38605), (6230, 34193), (7721, 27590), (11030, 19313), (13795, 15442)]