428169000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{20389}}^1$

素因数の和:20420

約数の個数: 128

約数和(自身を含む): 1526803200

約数和(自身を除く): 1098634200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 125, 140, 150, 168, 175, 200, 210, 250, 280, 300, 350, 375, 420, 500, 525, 600, 700, 750, 840, 875, 1000, 1050, 1400, 1500, 1750, 2100, 2625, 3000, 3500, 4200, 5250, 7000, 10500, 20389, 21000, 40778, 61167, 81556, 101945, 122334, 142723, 163112, 203890, 244668, 285446, 305835, 407780, 428169, 489336, 509725, 570892, 611670, 713615, 815560, 856338, 1019450, 1141784, 1223340, 1427230, 1529175, 1712676, 2038900, 2140845, 2446680, 2548625, 2854460, 3058350, 3425352, 3568075, 4077800, 4281690, 5097250, 5708920, 6116700, 7136150, 7645875, 8563380, 10194500, 10704225, 12233400, 14272300, 15291750, 17126760, 17840375, 20389000, 21408450, 28544600, 30583500, 35680750, 42816900, 53521125, 61167000, 71361500, 85633800, 107042250, 142723000, 214084500, 428169000]

約数ペア:

[(1, 428169000), (2, 214084500), (3, 142723000), (4, 107042250), (5, 85633800), (6, 71361500), (7, 61167000), (8, 53521125), (10, 42816900), (12, 35680750), (14, 30583500), (15, 28544600), (20, 21408450), (21, 20389000), (24, 17840375), (25, 17126760), (28, 15291750), (30, 14272300), (35, 12233400), (40, 10704225), (42, 10194500), (50, 8563380), (56, 7645875), (60, 7136150), (70, 6116700), (75, 5708920), (84, 5097250), (100, 4281690), (105, 4077800), (120, 3568075), (125, 3425352), (140, 3058350), (150, 2854460), (168, 2548625), (175, 2446680), (200, 2140845), (210, 2038900), (250, 1712676), (280, 1529175), (300, 1427230), (350, 1223340), (375, 1141784), (420, 1019450), (500, 856338), (525, 815560), (600, 713615), (700, 611670), (750, 570892), (840, 509725), (875, 489336), (1000, 428169), (1050, 407780), (1400, 305835), (1500, 285446), (1750, 244668), (2100, 203890), (2625, 163112), (3000, 142723), (3500, 122334), (4200, 101945), (5250, 81556), (7000, 61167), (10500, 40778), (20389, 21000)]