681350488

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:310

約数の個数: 192

約数和(自身を含む): 1746662400

約数和(自身を除く): 1065311912

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, 227, 247, 248, 266, 364, 392, 403, 434, 454, 494, 532, 589, 637, 728, 806, 868, 908, 931, 988, 1064, 1178, 1274, 1519, 1589, 1612, 1729, 1736, 1816, 1862, 1976, 2356, 2548, 2821, 2951, 3038, 3178, 3224, 3458, 3724, 4123, 4313, 4712, 5096, 5642, 5902, 6076, 6356, 6916, 7037, 7448, 7657, 8246, 8626, 11123, 11284, 11804, 12103, 12152, 12712, 13832, 14074, 15314, 16492, 17252, 19747, 20657, 22246, 22568, 23608, 24206, 28148, 28861, 30191, 30628, 32984, 34504, 39494, 41314, 44492, 48412, 49259, 53599, 56069, 56296, 57722, 60382, 61256, 78988, 82628, 88984, 91481, 96824, 98518, 107198, 112138, 115444, 120764, 133703, 144599, 157976, 165256, 182962, 197036, 211337, 214396, 224276, 230888, 241528, 267406, 289198, 344813, 365924, 375193, 392483, 394072, 422674, 428792, 448552, 534812, 578396, 640367, 689626, 731848, 750386, 784966, 845348, 935921, 1069624, 1156792, 1280734, 1379252, 1500772, 1569932, 1690696, 1738139, 1871842, 2561468, 2747381, 2758504, 3001544, 3139864, 3476278, 3743684, 4482569, 5122936, 5494762, 6551447, 6952556, 7487368, 8965138, 10989524, 12166973, 13102894, 13905112, 17930276, 21979048, 24333946, 26205788, 35860552, 48667892, 52411576, 85168811, 97335784, 170337622, 340675244, 681350488]

約数ペア:

[(1, 681350488), (2, 340675244), (4, 170337622), (7, 97335784), (8, 85168811), (13, 52411576), (14, 48667892), (19, 35860552), (26, 26205788), (28, 24333946), (31, 21979048), (38, 17930276), (49, 13905112), (52, 13102894), (56, 12166973), (62, 10989524), (76, 8965138), (91, 7487368), (98, 6952556), (104, 6551447), (124, 5494762), (133, 5122936), (152, 4482569), (182, 3743684), (196, 3476278), (217, 3139864), (227, 3001544), (247, 2758504), (248, 2747381), (266, 2561468), (364, 1871842), (392, 1738139), (403, 1690696), (434, 1569932), (454, 1500772), (494, 1379252), (532, 1280734), (589, 1156792), (637, 1069624), (728, 935921), (806, 845348), (868, 784966), (908, 750386), (931, 731848), (988, 689626), (1064, 640367), (1178, 578396), (1274, 534812), (1519, 448552), (1589, 428792), (1612, 422674), (1729, 394072), (1736, 392483), (1816, 375193), (1862, 365924), (1976, 344813), (2356, 289198), (2548, 267406), (2821, 241528), (2951, 230888), (3038, 224276), (3178, 214396), (3224, 211337), (3458, 197036), (3724, 182962), (4123, 165256), (4313, 157976), (4712, 144599), (5096, 133703), (5642, 120764), (5902, 115444), (6076, 112138), (6356, 107198), (6916, 98518), (7037, 96824), (7448, 91481), (7657, 88984), (8246, 82628), (8626, 78988), (11123, 61256), (11284, 60382), (11804, 57722), (12103, 56296), (12152, 56069), (12712, 53599), (13832, 49259), (14074, 48412), (15314, 44492), (16492, 41314), (17252, 39494), (19747, 34504), (20657, 32984), (22246, 30628), (22568, 30191), (23608, 28861), (24206, 28148)]