399205352

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:109

約数の個数: 192

約数和(自身を含む): 1024128000

約数和(自身を除く): 624922648

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 31, 38, 49, 52, 56, 62, 76, 91, 98, 104, 124, 133, 152, 182, 196, 217, 247, 248, 266, 343, 361, 364, 392, 403, 434, 494, 532, 589, 637, 686, 722, 728, 806, 868, 931, 988, 1064, 1178, 1274, 1372, 1444, 1519, 1612, 1729, 1736, 1862, 1976, 2356, 2527, 2548, 2744, 2821, 2888, 3038, 3224, 3458, 3724, 4123, 4459, 4693, 4712, 5054, 5096, 5642, 6076, 6517, 6916, 7448, 7657, 8246, 8918, 9386, 10108, 10633, 11191, 11284, 12103, 12152, 13034, 13832, 15314, 16492, 17689, 17836, 18772, 19747, 20216, 21266, 22382, 22568, 24206, 26068, 28861, 30628, 32851, 32984, 35378, 35672, 37544, 39494, 42532, 44764, 48412, 52136, 53599, 57722, 61256, 65702, 70756, 78337, 78988, 84721, 85064, 89528, 96824, 107198, 115444, 123823, 131404, 138229, 141512, 145483, 156674, 157976, 169442, 202027, 214396, 229957, 230888, 247646, 262808, 276458, 290966, 313348, 338884, 375193, 404054, 428792, 459914, 495292, 548359, 552916, 581932, 626696, 677768, 750386, 808108, 919828, 990584, 1018381, 1096718, 1105832, 1163864, 1500772, 1609699, 1616216, 1839656, 2036762, 2193436, 2626351, 3001544, 3219398, 3838513, 4073524, 4386872, 5252702, 6438796, 7128667, 7677026, 8147048, 10505404, 12877592, 14257334, 15354052, 21010808, 28514668, 30708104, 49900669, 57029336, 99801338, 199602676, 399205352]

約数ペア:

[(1, 399205352), (2, 199602676), (4, 99801338), (7, 57029336), (8, 49900669), (13, 30708104), (14, 28514668), (19, 21010808), (26, 15354052), (28, 14257334), (31, 12877592), (38, 10505404), (49, 8147048), (52, 7677026), (56, 7128667), (62, 6438796), (76, 5252702), (91, 4386872), (98, 4073524), (104, 3838513), (124, 3219398), (133, 3001544), (152, 2626351), (182, 2193436), (196, 2036762), (217, 1839656), (247, 1616216), (248, 1609699), (266, 1500772), (343, 1163864), (361, 1105832), (364, 1096718), (392, 1018381), (403, 990584), (434, 919828), (494, 808108), (532, 750386), (589, 677768), (637, 626696), (686, 581932), (722, 552916), (728, 548359), (806, 495292), (868, 459914), (931, 428792), (988, 404054), (1064, 375193), (1178, 338884), (1274, 313348), (1372, 290966), (1444, 276458), (1519, 262808), (1612, 247646), (1729, 230888), (1736, 229957), (1862, 214396), (1976, 202027), (2356, 169442), (2527, 157976), (2548, 156674), (2744, 145483), (2821, 141512), (2888, 138229), (3038, 131404), (3224, 123823), (3458, 115444), (3724, 107198), (4123, 96824), (4459, 89528), (4693, 85064), (4712, 84721), (5054, 78988), (5096, 78337), (5642, 70756), (6076, 65702), (6517, 61256), (6916, 57722), (7448, 53599), (7657, 52136), (8246, 48412), (8918, 44764), (9386, 42532), (10108, 39494), (10633, 37544), (11191, 35672), (11284, 35378), (12103, 32984), (12152, 32851), (13034, 30628), (13832, 28861), (15314, 26068), (16492, 24206), (17689, 22568), (17836, 22382), (18772, 21266), (19747, 20216)]