1005194840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:673

約数の個数: 128

約数和(自身を含む): 2539192320

約数和(自身を除く): 1533997480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 127, 130, 155, 248, 254, 260, 310, 403, 491, 508, 520, 620, 635, 806, 982, 1016, 1240, 1270, 1612, 1651, 1964, 2015, 2455, 2540, 3224, 3302, 3928, 3937, 4030, 4910, 5080, 6383, 6604, 7874, 8060, 8255, 9820, 12766, 13208, 15221, 15748, 16120, 16510, 19640, 19685, 25532, 30442, 31496, 31915, 33020, 39370, 51064, 51181, 60884, 62357, 63830, 66040, 76105, 78740, 102362, 121768, 124714, 127660, 152210, 157480, 197873, 204724, 249428, 255320, 255905, 304420, 311785, 395746, 409448, 498856, 511810, 608840, 623570, 791492, 810641, 989365, 1023620, 1247140, 1582984, 1621282, 1933067, 1978730, 2047240, 2494280, 3242564, 3866134, 3957460, 4053205, 6485128, 7732268, 7914920, 8106410, 9665335, 15464536, 16212820, 19330670, 25129871, 32425640, 38661340, 50259742, 77322680, 100519484, 125649355, 201038968, 251298710, 502597420, 1005194840]

約数ペア:

[(1, 1005194840), (2, 502597420), (4, 251298710), (5, 201038968), (8, 125649355), (10, 100519484), (13, 77322680), (20, 50259742), (26, 38661340), (31, 32425640), (40, 25129871), (52, 19330670), (62, 16212820), (65, 15464536), (104, 9665335), (124, 8106410), (127, 7914920), (130, 7732268), (155, 6485128), (248, 4053205), (254, 3957460), (260, 3866134), (310, 3242564), (403, 2494280), (491, 2047240), (508, 1978730), (520, 1933067), (620, 1621282), (635, 1582984), (806, 1247140), (982, 1023620), (1016, 989365), (1240, 810641), (1270, 791492), (1612, 623570), (1651, 608840), (1964, 511810), (2015, 498856), (2455, 409448), (2540, 395746), (3224, 311785), (3302, 304420), (3928, 255905), (3937, 255320), (4030, 249428), (4910, 204724), (5080, 197873), (6383, 157480), (6604, 152210), (7874, 127660), (8060, 124714), (8255, 121768), (9820, 102362), (12766, 78740), (13208, 76105), (15221, 66040), (15748, 63830), (16120, 62357), (16510, 60884), (19640, 51181), (19685, 51064), (25532, 39370), (30442, 33020), (31496, 31915)]