139383425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 194451840

約数和(自身を除く): 55068415

約数列:

[1, 5, 17, 25, 29, 43, 85, 145, 215, 263, 425, 493, 725, 731, 1075, 1247, 1315, 2465, 3655, 4471, 6235, 6575, 7627, 11309, 12325, 18275, 21199, 22355, 31175, 38135, 56545, 105995, 111775, 129659, 190675, 192253, 282725, 327961, 529975, 648295, 961265, 1639805, 3241475, 4806325, 5575337, 8199025, 27876685, 139383425]

約数ペア:

[(1, 139383425), (5, 27876685), (17, 8199025), (25, 5575337), (29, 4806325), (43, 3241475), (85, 1639805), (145, 961265), (215, 648295), (263, 529975), (425, 327961), (493, 282725), (725, 192253), (731, 190675), (1075, 129659), (1247, 111775), (1315, 105995), (2465, 56545), (3655, 38135), (4471, 31175), (6235, 22355), (6575, 21199), (7627, 18275), (11309, 12325)]