405050464

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:709

約数の個数: 144

約数和(自身を含む): 1032829056

約数和(自身を除く): 627778592

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 49, 52, 56, 62, 91, 98, 104, 112, 124, 182, 196, 208, 217, 224, 248, 364, 392, 403, 416, 434, 496, 637, 641, 728, 784, 806, 868, 992, 1274, 1282, 1456, 1519, 1568, 1612, 1736, 2548, 2564, 2821, 2912, 3038, 3224, 3472, 4487, 5096, 5128, 5642, 6076, 6448, 6944, 8333, 8974, 10192, 10256, 11284, 12152, 12896, 16666, 17948, 19747, 19871, 20384, 20512, 22568, 24304, 31409, 33332, 35896, 39494, 39742, 45136, 48608, 58331, 62818, 66664, 71792, 78988, 79484, 90272, 116662, 125636, 133328, 139097, 143584, 157976, 158968, 233324, 251272, 258323, 266656, 278194, 315952, 317936, 408317, 466648, 502544, 516646, 556388, 631904, 635872, 816634, 933296, 973679, 1005088, 1033292, 1112776, 1633268, 1808261, 1866592, 1947358, 2066584, 2225552, 3266536, 3616522, 3894716, 4133168, 4451104, 6533072, 7233044, 7789432, 8266336, 12657827, 13066144, 14466088, 15578864, 25315654, 28932176, 31157728, 50631308, 57864352, 101262616, 202525232, 405050464]

約数ペア:

[(1, 405050464), (2, 202525232), (4, 101262616), (7, 57864352), (8, 50631308), (13, 31157728), (14, 28932176), (16, 25315654), (26, 15578864), (28, 14466088), (31, 13066144), (32, 12657827), (49, 8266336), (52, 7789432), (56, 7233044), (62, 6533072), (91, 4451104), (98, 4133168), (104, 3894716), (112, 3616522), (124, 3266536), (182, 2225552), (196, 2066584), (208, 1947358), (217, 1866592), (224, 1808261), (248, 1633268), (364, 1112776), (392, 1033292), (403, 1005088), (416, 973679), (434, 933296), (496, 816634), (637, 635872), (641, 631904), (728, 556388), (784, 516646), (806, 502544), (868, 466648), (992, 408317), (1274, 317936), (1282, 315952), (1456, 278194), (1519, 266656), (1568, 258323), (1612, 251272), (1736, 233324), (2548, 158968), (2564, 157976), (2821, 143584), (2912, 139097), (3038, 133328), (3224, 125636), (3472, 116662), (4487, 90272), (5096, 79484), (5128, 78988), (5642, 71792), (6076, 66664), (6448, 62818), (6944, 58331), (8333, 48608), (8974, 45136), (10192, 39742), (10256, 39494), (11284, 35896), (12152, 33332), (12896, 31409), (16666, 24304), (17948, 22568), (19747, 20512), (19871, 20384)]