280631344

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{617}}^1$

素因数の和:794

約数の個数: 80

約数和(自身を含む): 647387136

約数和(自身を除く): 366755792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 131, 217, 248, 262, 434, 496, 524, 617, 868, 917, 1048, 1234, 1736, 1834, 2096, 2468, 3472, 3668, 4061, 4319, 4936, 7336, 8122, 8638, 9872, 14672, 16244, 17276, 19127, 28427, 32488, 34552, 38254, 56854, 64976, 69104, 76508, 80827, 113708, 133889, 153016, 161654, 227416, 267778, 306032, 323308, 454832, 535556, 565789, 646616, 1071112, 1131578, 1293232, 2142224, 2263156, 2505637, 4526312, 5011274, 9052624, 10022548, 17539459, 20045096, 35078918, 40090192, 70157836, 140315672, 280631344]

約数ペア:

[(1, 280631344), (2, 140315672), (4, 70157836), (7, 40090192), (8, 35078918), (14, 20045096), (16, 17539459), (28, 10022548), (31, 9052624), (56, 5011274), (62, 4526312), (112, 2505637), (124, 2263156), (131, 2142224), (217, 1293232), (248, 1131578), (262, 1071112), (434, 646616), (496, 565789), (524, 535556), (617, 454832), (868, 323308), (917, 306032), (1048, 267778), (1234, 227416), (1736, 161654), (1834, 153016), (2096, 133889), (2468, 113708), (3472, 80827), (3668, 76508), (4061, 69104), (4319, 64976), (4936, 56854), (7336, 38254), (8122, 34552), (8638, 32488), (9872, 28427), (14672, 19127), (16244, 17276)]