359797360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{997}}^1$

素因数の和:1370

約数の個数: 80

約数和(自身を含む): 904379616

約数和(自身を除く): 544582256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 347, 520, 694, 997, 1040, 1388, 1735, 1994, 2776, 3470, 3988, 4511, 4985, 5552, 6940, 7976, 9022, 9970, 12961, 13880, 15952, 18044, 19940, 22555, 25922, 27760, 36088, 39880, 45110, 51844, 64805, 72176, 79760, 90220, 103688, 129610, 180440, 207376, 259220, 345959, 360880, 518440, 691918, 1036880, 1383836, 1729795, 2767672, 3459590, 4497467, 5535344, 6919180, 8994934, 13838360, 17989868, 22487335, 27676720, 35979736, 44974670, 71959472, 89949340, 179898680, 359797360]

約数ペア:

[(1, 359797360), (2, 179898680), (4, 89949340), (5, 71959472), (8, 44974670), (10, 35979736), (13, 27676720), (16, 22487335), (20, 17989868), (26, 13838360), (40, 8994934), (52, 6919180), (65, 5535344), (80, 4497467), (104, 3459590), (130, 2767672), (208, 1729795), (260, 1383836), (347, 1036880), (520, 691918), (694, 518440), (997, 360880), (1040, 345959), (1388, 259220), (1735, 207376), (1994, 180440), (2776, 129610), (3470, 103688), (3988, 90220), (4511, 79760), (4985, 72176), (5552, 64805), (6940, 51844), (7976, 45110), (9022, 39880), (9970, 36088), (12961, 27760), (13880, 25922), (15952, 22555), (18044, 19940)]