80744356

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2203}}^1$

素因数の和:2249

約数の個数: 72

約数和(自身を含む): 189949536

約数和(自身を除く): 109205180

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 49, 68, 77, 98, 119, 154, 187, 196, 238, 308, 374, 476, 539, 748, 833, 1078, 1309, 1666, 2156, 2203, 2618, 3332, 4406, 5236, 8812, 9163, 15421, 18326, 24233, 30842, 36652, 37451, 48466, 61684, 74902, 96932, 107947, 149804, 169631, 215894, 262157, 339262, 411961, 431788, 524314, 678524, 823922, 1048628, 1187417, 1647844, 1835099, 2374834, 2883727, 3670198, 4749668, 5767454, 7340396, 11534908, 20186089, 40372178, 80744356]

約数ペア:

[(1, 80744356), (2, 40372178), (4, 20186089), (7, 11534908), (11, 7340396), (14, 5767454), (17, 4749668), (22, 3670198), (28, 2883727), (34, 2374834), (44, 1835099), (49, 1647844), (68, 1187417), (77, 1048628), (98, 823922), (119, 678524), (154, 524314), (187, 431788), (196, 411961), (238, 339262), (308, 262157), (374, 215894), (476, 169631), (539, 149804), (748, 107947), (833, 96932), (1078, 74902), (1309, 61684), (1666, 48466), (2156, 37451), (2203, 36652), (2618, 30842), (3332, 24233), (4406, 18326), (5236, 15421), (8812, 9163)]