140315672

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{617}}^1$

素因数の和:792

約数の個数: 64

約数和(自身を含む): 313251840

約数和(自身を除く): 172936168

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 131, 217, 248, 262, 434, 524, 617, 868, 917, 1048, 1234, 1736, 1834, 2468, 3668, 4061, 4319, 4936, 7336, 8122, 8638, 16244, 17276, 19127, 28427, 32488, 34552, 38254, 56854, 76508, 80827, 113708, 133889, 153016, 161654, 227416, 267778, 323308, 535556, 565789, 646616, 1071112, 1131578, 2263156, 2505637, 4526312, 5011274, 10022548, 17539459, 20045096, 35078918, 70157836, 140315672]

約数ペア:

[(1, 140315672), (2, 70157836), (4, 35078918), (7, 20045096), (8, 17539459), (14, 10022548), (28, 5011274), (31, 4526312), (56, 2505637), (62, 2263156), (124, 1131578), (131, 1071112), (217, 646616), (248, 565789), (262, 535556), (434, 323308), (524, 267778), (617, 227416), (868, 161654), (917, 153016), (1048, 133889), (1234, 113708), (1736, 80827), (1834, 76508), (2468, 56854), (3668, 38254), (4061, 34552), (4319, 32488), (4936, 28427), (7336, 19127), (8122, 17276), (8638, 16244)]