208280175

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 388903680

約数和(自身を除く): 180623505

約数列:

[1, 3, 5, 15, 17, 25, 29, 43, 51, 75, 85, 87, 129, 131, 145, 215, 255, 393, 425, 435, 493, 645, 655, 725, 731, 1075, 1247, 1275, 1479, 1965, 2175, 2193, 2227, 2465, 3225, 3275, 3655, 3741, 3799, 5633, 6235, 6681, 7395, 9825, 10965, 11135, 11397, 12325, 16899, 18275, 18705, 18995, 21199, 28165, 31175, 33405, 36975, 54825, 55675, 56985, 63597, 64583, 84495, 93525, 94975, 95761, 105995, 140825, 163357, 167025, 193749, 284925, 287283, 317985, 322915, 422475, 478805, 490071, 529975, 816785, 968745, 1436415, 1589925, 1614575, 2394025, 2450355, 2777069, 4083925, 4843725, 7182075, 8331207, 12251775, 13885345, 41656035, 69426725, 208280175]

約数ペア:

[(1, 208280175), (3, 69426725), (5, 41656035), (15, 13885345), (17, 12251775), (25, 8331207), (29, 7182075), (43, 4843725), (51, 4083925), (75, 2777069), (85, 2450355), (87, 2394025), (129, 1614575), (131, 1589925), (145, 1436415), (215, 968745), (255, 816785), (393, 529975), (425, 490071), (435, 478805), (493, 422475), (645, 322915), (655, 317985), (725, 287283), (731, 284925), (1075, 193749), (1247, 167025), (1275, 163357), (1479, 140825), (1965, 105995), (2175, 95761), (2193, 94975), (2227, 93525), (2465, 84495), (3225, 64583), (3275, 63597), (3655, 56985), (3741, 55675), (3799, 54825), (5633, 36975), (6235, 33405), (6681, 31175), (7395, 28165), (9825, 21199), (10965, 18995), (11135, 18705), (11397, 18275), (12325, 16899)]