313625875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 438197760

約数和(自身を除く): 124571885

約数列:

[1, 5, 19, 25, 37, 43, 83, 95, 125, 185, 215, 415, 475, 703, 817, 925, 1075, 1577, 1591, 2075, 2375, 3071, 3515, 3569, 4085, 4625, 5375, 7885, 7955, 10375, 15355, 17575, 17845, 20425, 30229, 39425, 39775, 58349, 67811, 76775, 87875, 89225, 102125, 132053, 151145, 197125, 198875, 291745, 339055, 383875, 446125, 660265, 755725, 1458725, 1695275, 2509007, 3301325, 3778625, 7293625, 8476375, 12545035, 16506625, 62725175, 313625875]

約数ペア:

[(1, 313625875), (5, 62725175), (19, 16506625), (25, 12545035), (37, 8476375), (43, 7293625), (83, 3778625), (95, 3301325), (125, 2509007), (185, 1695275), (215, 1458725), (415, 755725), (475, 660265), (703, 446125), (817, 383875), (925, 339055), (1075, 291745), (1577, 198875), (1591, 197125), (2075, 151145), (2375, 132053), (3071, 102125), (3515, 89225), (3569, 87875), (4085, 76775), (4625, 67811), (5375, 58349), (7885, 39775), (7955, 39425), (10375, 30229), (15355, 20425), (17575, 17845)]