872219425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2423}}^1$

素因数の和:2479

約数の個数: 72

約数和(自身を含む): 1439157888

約数和(自身を除く): 566938463

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 77, 85, 119, 121, 175, 187, 275, 385, 425, 595, 605, 847, 935, 1309, 1925, 2057, 2423, 2975, 3025, 4235, 4675, 6545, 10285, 12115, 14399, 16961, 21175, 26653, 32725, 41191, 51425, 60575, 71995, 84805, 133265, 186571, 205955, 288337, 293183, 359975, 424025, 453101, 666325, 932855, 1029775, 1441685, 1465915, 2052281, 2265505, 3171707, 4664275, 4984111, 7208425, 7329575, 10261405, 11327525, 15858535, 24920555, 34888777, 51307025, 79292675, 124602775, 174443885, 872219425]

約数ペア:

[(1, 872219425), (5, 174443885), (7, 124602775), (11, 79292675), (17, 51307025), (25, 34888777), (35, 24920555), (55, 15858535), (77, 11327525), (85, 10261405), (119, 7329575), (121, 7208425), (175, 4984111), (187, 4664275), (275, 3171707), (385, 2265505), (425, 2052281), (595, 1465915), (605, 1441685), (847, 1029775), (935, 932855), (1309, 666325), (1925, 453101), (2057, 424025), (2423, 359975), (2975, 293183), (3025, 288337), (4235, 205955), (4675, 186571), (6545, 133265), (10285, 84805), (12115, 71995), (14399, 60575), (16961, 51425), (21175, 41191), (26653, 32725)]