278889804

素因数分解:

$2^2\times 3^4\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:317

約数の個数: 120

約数和(自身を含む): 753680928

約数和(自身を除く): 474791124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 103, 108, 122, 137, 162, 183, 206, 244, 274, 309, 324, 366, 411, 412, 548, 549, 618, 732, 822, 927, 1098, 1233, 1236, 1644, 1647, 1854, 2196, 2466, 2781, 3294, 3699, 3708, 4932, 4941, 5562, 6283, 6588, 7398, 8343, 8357, 9882, 11097, 11124, 12566, 14111, 14796, 16686, 16714, 18849, 19764, 22194, 25071, 25132, 28222, 33372, 33428, 37698, 42333, 44388, 50142, 56444, 56547, 75213, 75396, 84666, 100284, 113094, 126999, 150426, 169332, 169641, 225639, 226188, 253998, 300852, 339282, 380997, 451278, 507996, 508923, 676917, 678564, 761994, 860771, 902556, 1017846, 1142991, 1353834, 1523988, 1721542, 2035692, 2285982, 2582313, 2707668, 3443084, 4571964, 5164626, 7746939, 10329252, 15493878, 23240817, 30987756, 46481634, 69722451, 92963268, 139444902, 278889804]

約数ペア:

[(1, 278889804), (2, 139444902), (3, 92963268), (4, 69722451), (6, 46481634), (9, 30987756), (12, 23240817), (18, 15493878), (27, 10329252), (36, 7746939), (54, 5164626), (61, 4571964), (81, 3443084), (103, 2707668), (108, 2582313), (122, 2285982), (137, 2035692), (162, 1721542), (183, 1523988), (206, 1353834), (244, 1142991), (274, 1017846), (309, 902556), (324, 860771), (366, 761994), (411, 678564), (412, 676917), (548, 508923), (549, 507996), (618, 451278), (732, 380997), (822, 339282), (927, 300852), (1098, 253998), (1233, 226188), (1236, 225639), (1644, 169641), (1647, 169332), (1854, 150426), (2196, 126999), (2466, 113094), (2781, 100284), (3294, 84666), (3699, 75396), (3708, 75213), (4932, 56547), (4941, 56444), (5562, 50142), (6283, 44388), (6588, 42333), (7398, 37698), (8343, 33428), (8357, 33372), (9882, 28222), (11097, 25132), (11124, 25071), (12566, 22194), (14111, 19764), (14796, 18849), (16686, 16714)]