187876520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 492337440

約数和(自身を除く): 304460920

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 53, 65, 68, 85, 104, 106, 130, 136, 170, 212, 221, 260, 265, 340, 401, 424, 442, 520, 530, 680, 689, 802, 884, 901, 1060, 1105, 1378, 1604, 1768, 1802, 2005, 2120, 2210, 2756, 3208, 3445, 3604, 4010, 4420, 4505, 5213, 5512, 6817, 6890, 7208, 8020, 8840, 9010, 10426, 11713, 13634, 13780, 16040, 18020, 20852, 21253, 23426, 26065, 27268, 27560, 34085, 36040, 41704, 42506, 46852, 52130, 54536, 58565, 68170, 85012, 88621, 93704, 104260, 106265, 117130, 136340, 170024, 177242, 208520, 212530, 234260, 272680, 276289, 354484, 361301, 425060, 443105, 468520, 552578, 708968, 722602, 850120, 886210, 1105156, 1381445, 1445204, 1772420, 1806505, 2210312, 2762890, 2890408, 3544840, 3613010, 4696913, 5525780, 7226020, 9393826, 11051560, 14452040, 18787652, 23484565, 37575304, 46969130, 93938260, 187876520]

約数ペア:

[(1, 187876520), (2, 93938260), (4, 46969130), (5, 37575304), (8, 23484565), (10, 18787652), (13, 14452040), (17, 11051560), (20, 9393826), (26, 7226020), (34, 5525780), (40, 4696913), (52, 3613010), (53, 3544840), (65, 2890408), (68, 2762890), (85, 2210312), (104, 1806505), (106, 1772420), (130, 1445204), (136, 1381445), (170, 1105156), (212, 886210), (221, 850120), (260, 722602), (265, 708968), (340, 552578), (401, 468520), (424, 443105), (442, 425060), (520, 361301), (530, 354484), (680, 276289), (689, 272680), (802, 234260), (884, 212530), (901, 208520), (1060, 177242), (1105, 170024), (1378, 136340), (1604, 117130), (1768, 106265), (1802, 104260), (2005, 93704), (2120, 88621), (2210, 85012), (2756, 68170), (3208, 58565), (3445, 54536), (3604, 52130), (4010, 46852), (4420, 42506), (4505, 41704), (5213, 36040), (5512, 34085), (6817, 27560), (6890, 27268), (7208, 26065), (8020, 23426), (8840, 21253), (9010, 20852), (10426, 18020), (11713, 16040), (13634, 13780)]