38890275

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 68090880

約数和(自身を除く): 29200605

約数列:

[1, 3, 5, 15, 25, 31, 43, 75, 93, 129, 155, 215, 389, 465, 645, 775, 1075, 1167, 1333, 1945, 2325, 3225, 3999, 5835, 6665, 9725, 12059, 16727, 19995, 29175, 33325, 36177, 50181, 60295, 83635, 99975, 180885, 250905, 301475, 418175, 518537, 904425, 1254525, 1555611, 2592685, 7778055, 12963425, 38890275]

約数ペア:

[(1, 38890275), (3, 12963425), (5, 7778055), (15, 2592685), (25, 1555611), (31, 1254525), (43, 904425), (75, 518537), (93, 418175), (129, 301475), (155, 250905), (215, 180885), (389, 99975), (465, 83635), (645, 60295), (775, 50181), (1075, 36177), (1167, 33325), (1333, 29175), (1945, 19995), (2325, 16727), (3225, 12059), (3999, 9725), (5835, 6665)]