17918889625

素因数分解:

$5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1619}}^1$

素因数の和:1800

約数の個数: 96

約数和(自身を含む): 28233878400

約数和(自身を除く): 10314988775

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 125, 139, 175, 245, 325, 455, 637, 695, 875, 973, 1225, 1619, 1625, 1807, 2275, 3185, 3475, 4865, 6125, 6811, 8095, 9035, 11333, 11375, 12649, 15925, 17375, 21047, 24325, 34055, 40475, 45175, 56665, 63245, 79331, 79625, 88543, 105235, 121625, 147329, 170275, 202375, 225041, 225875, 283325, 316225, 396655, 442715, 526175, 736645, 851375, 1031303, 1125205, 1416625, 1575287, 1581125, 1983275, 2213575, 2630875, 2925533, 3683225, 5156515, 5626025, 7876435, 9916375, 11027009, 11067875, 14627665, 18416125, 20478731, 25782575, 28130125, 39382175, 55135045, 73138325, 102393655, 128912875, 143351117, 196910875, 275675225, 365691625, 511968275, 716755585, 1378376125, 2559841375, 3583777925, 17918889625]

約数ペア:

[(1, 17918889625), (5, 3583777925), (7, 2559841375), (13, 1378376125), (25, 716755585), (35, 511968275), (49, 365691625), (65, 275675225), (91, 196910875), (125, 143351117), (139, 128912875), (175, 102393655), (245, 73138325), (325, 55135045), (455, 39382175), (637, 28130125), (695, 25782575), (875, 20478731), (973, 18416125), (1225, 14627665), (1619, 11067875), (1625, 11027009), (1807, 9916375), (2275, 7876435), (3185, 5626025), (3475, 5156515), (4865, 3683225), (6125, 2925533), (6811, 2630875), (8095, 2213575), (9035, 1983275), (11333, 1581125), (11375, 1575287), (12649, 1416625), (15925, 1125205), (17375, 1031303), (21047, 851375), (24325, 736645), (34055, 526175), (40475, 442715), (45175, 396655), (56665, 316225), (63245, 283325), (79331, 225875), (79625, 225041), (88543, 202375), (105235, 170275), (121625, 147329)]