123501820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{599}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 285919200

約数和(自身を除く): 162417380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 169, 244, 260, 305, 338, 599, 610, 676, 793, 845, 1198, 1220, 1586, 1690, 2396, 2995, 3172, 3380, 3965, 5990, 7787, 7930, 10309, 11980, 15574, 15860, 20618, 31148, 36539, 38935, 41236, 51545, 73078, 77870, 101231, 103090, 146156, 155740, 182695, 202462, 206180, 365390, 404924, 475007, 506155, 730780, 950014, 1012310, 1900028, 2024620, 2375035, 4750070, 6175091, 9500140, 12350182, 24700364, 30875455, 61750910, 123501820]

約数ペア:

[(1, 123501820), (2, 61750910), (4, 30875455), (5, 24700364), (10, 12350182), (13, 9500140), (20, 6175091), (26, 4750070), (52, 2375035), (61, 2024620), (65, 1900028), (122, 1012310), (130, 950014), (169, 730780), (244, 506155), (260, 475007), (305, 404924), (338, 365390), (599, 206180), (610, 202462), (676, 182695), (793, 155740), (845, 146156), (1198, 103090), (1220, 101231), (1586, 77870), (1690, 73078), (2396, 51545), (2995, 41236), (3172, 38935), (3380, 36539), (3965, 31148), (5990, 20618), (7787, 15860), (7930, 15574), (10309, 11980)]