391435020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:652

約数の個数: 144

約数和(自身を含む): 1229260032

約数和(自身を除く): 837825012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 103, 129, 172, 180, 206, 215, 258, 309, 387, 412, 430, 491, 515, 516, 618, 645, 774, 860, 927, 982, 1030, 1236, 1290, 1473, 1545, 1548, 1854, 1935, 1964, 2060, 2455, 2580, 2946, 3090, 3708, 3870, 4419, 4429, 4635, 4910, 5892, 6180, 7365, 7740, 8838, 8858, 9270, 9820, 13287, 14730, 17676, 17716, 18540, 21113, 22095, 22145, 26574, 29460, 39861, 42226, 44190, 44290, 50573, 53148, 63339, 66435, 79722, 84452, 88380, 88580, 101146, 105565, 126678, 132870, 151719, 159444, 190017, 199305, 202292, 211130, 252865, 253356, 265740, 303438, 316695, 380034, 398610, 422260, 455157, 505730, 606876, 633390, 758595, 760068, 797220, 910314, 950085, 1011460, 1266780, 1517190, 1820628, 1900170, 2174639, 2275785, 3034380, 3800340, 4349278, 4551570, 6523917, 8698556, 9103140, 10873195, 13047834, 19571751, 21746390, 26095668, 32619585, 39143502, 43492780, 65239170, 78287004, 97858755, 130478340, 195717510, 391435020]

約数ペア:

[(1, 391435020), (2, 195717510), (3, 130478340), (4, 97858755), (5, 78287004), (6, 65239170), (9, 43492780), (10, 39143502), (12, 32619585), (15, 26095668), (18, 21746390), (20, 19571751), (30, 13047834), (36, 10873195), (43, 9103140), (45, 8698556), (60, 6523917), (86, 4551570), (90, 4349278), (103, 3800340), (129, 3034380), (172, 2275785), (180, 2174639), (206, 1900170), (215, 1820628), (258, 1517190), (309, 1266780), (387, 1011460), (412, 950085), (430, 910314), (491, 797220), (515, 760068), (516, 758595), (618, 633390), (645, 606876), (774, 505730), (860, 455157), (927, 422260), (982, 398610), (1030, 380034), (1236, 316695), (1290, 303438), (1473, 265740), (1545, 253356), (1548, 252865), (1854, 211130), (1935, 202292), (1964, 199305), (2060, 190017), (2455, 159444), (2580, 151719), (2946, 132870), (3090, 126678), (3708, 105565), (3870, 101146), (4419, 88580), (4429, 88380), (4635, 84452), (4910, 79722), (5892, 66435), (6180, 63339), (7365, 53148), (7740, 50573), (8838, 44290), (8858, 44190), (9270, 42226), (9820, 39861), (13287, 29460), (14730, 26574), (17676, 22145), (17716, 22095), (18540, 21113)]