140078456

素因数分解:

$2^3\times 7^3\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:817

約数の個数: 64

約数和(自身を含む): 311040000

約数和(自身を除く): 170961544

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 142, 196, 284, 343, 392, 497, 568, 686, 719, 994, 1372, 1438, 1988, 2744, 2876, 3479, 3976, 5033, 5752, 6958, 10066, 13916, 20132, 24353, 27832, 35231, 40264, 48706, 51049, 70462, 97412, 102098, 140924, 194824, 204196, 246617, 281848, 357343, 408392, 493234, 714686, 986468, 1429372, 1972936, 2501401, 2858744, 5002802, 10005604, 17509807, 20011208, 35019614, 70039228, 140078456]

約数ペア:

[(1, 140078456), (2, 70039228), (4, 35019614), (7, 20011208), (8, 17509807), (14, 10005604), (28, 5002802), (49, 2858744), (56, 2501401), (71, 1972936), (98, 1429372), (142, 986468), (196, 714686), (284, 493234), (343, 408392), (392, 357343), (497, 281848), (568, 246617), (686, 204196), (719, 194824), (994, 140924), (1372, 102098), (1438, 97412), (1988, 70462), (2744, 51049), (2876, 48706), (3479, 40264), (3976, 35231), (5033, 27832), (5752, 24353), (6958, 20132), (10066, 13916)]