420311412

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 1141620480

約数和(自身を除く): 721309068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 47, 53, 86, 94, 106, 109, 129, 141, 159, 172, 188, 212, 218, 258, 282, 318, 327, 387, 423, 436, 477, 516, 564, 636, 654, 774, 846, 954, 981, 1308, 1548, 1692, 1908, 1962, 2021, 2279, 2491, 3924, 4042, 4558, 4687, 4982, 5123, 5777, 6063, 6837, 7473, 8084, 9116, 9374, 9964, 10246, 11554, 12126, 13674, 14061, 14946, 15369, 17331, 18189, 18748, 20492, 20511, 22419, 23108, 24252, 27348, 28122, 29892, 30738, 34662, 36378, 41022, 42183, 44838, 46107, 51993, 56244, 61476, 69324, 72756, 82044, 84366, 89676, 92214, 103986, 107113, 168732, 184428, 207972, 214226, 220289, 248411, 271519, 321339, 428452, 440578, 496822, 543038, 642678, 660867, 745233, 814557, 881156, 964017, 993644, 1086076, 1285356, 1321734, 1490466, 1629114, 1928034, 1982601, 2235699, 2443671, 2643468, 2980932, 3258228, 3856068, 3965202, 4471398, 4887342, 7930404, 8942796, 9774684, 11675317, 23350634, 35025951, 46701268, 70051902, 105077853, 140103804, 210155706, 420311412]

約数ペア:

[(1, 420311412), (2, 210155706), (3, 140103804), (4, 105077853), (6, 70051902), (9, 46701268), (12, 35025951), (18, 23350634), (36, 11675317), (43, 9774684), (47, 8942796), (53, 7930404), (86, 4887342), (94, 4471398), (106, 3965202), (109, 3856068), (129, 3258228), (141, 2980932), (159, 2643468), (172, 2443671), (188, 2235699), (212, 1982601), (218, 1928034), (258, 1629114), (282, 1490466), (318, 1321734), (327, 1285356), (387, 1086076), (423, 993644), (436, 964017), (477, 881156), (516, 814557), (564, 745233), (636, 660867), (654, 642678), (774, 543038), (846, 496822), (954, 440578), (981, 428452), (1308, 321339), (1548, 271519), (1692, 248411), (1908, 220289), (1962, 214226), (2021, 207972), (2279, 184428), (2491, 168732), (3924, 107113), (4042, 103986), (4558, 92214), (4687, 89676), (4982, 84366), (5123, 82044), (5777, 72756), (6063, 69324), (6837, 61476), (7473, 56244), (8084, 51993), (9116, 46107), (9374, 44838), (9964, 42183), (10246, 41022), (11554, 36378), (12126, 34662), (13674, 30738), (14061, 29892), (14946, 28122), (15369, 27348), (17331, 24252), (18189, 23108), (18748, 22419), (20492, 20511)]