19716900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 67079040

約数和(自身を除く): 47362140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 41, 42, 50, 60, 70, 75, 82, 84, 100, 105, 123, 140, 150, 164, 175, 205, 210, 229, 246, 287, 300, 350, 410, 420, 458, 492, 525, 574, 615, 687, 700, 820, 861, 916, 1025, 1050, 1145, 1148, 1230, 1374, 1435, 1603, 1722, 2050, 2100, 2290, 2460, 2748, 2870, 3075, 3206, 3435, 3444, 4100, 4305, 4580, 4809, 5725, 5740, 6150, 6412, 6870, 7175, 8015, 8610, 9389, 9618, 11450, 12300, 13740, 14350, 16030, 17175, 17220, 18778, 19236, 21525, 22900, 24045, 28167, 28700, 32060, 34350, 37556, 40075, 43050, 46945, 48090, 56334, 65723, 68700, 80150, 86100, 93890, 96180, 112668, 120225, 131446, 140835, 160300, 187780, 197169, 234725, 240450, 262892, 281670, 328615, 394338, 469450, 480900, 563340, 657230, 704175, 788676, 938900, 985845, 1314460, 1408350, 1643075, 1971690, 2816700, 3286150, 3943380, 4929225, 6572300, 9858450, 19716900]

約数ペア:

[(1, 19716900), (2, 9858450), (3, 6572300), (4, 4929225), (5, 3943380), (6, 3286150), (7, 2816700), (10, 1971690), (12, 1643075), (14, 1408350), (15, 1314460), (20, 985845), (21, 938900), (25, 788676), (28, 704175), (30, 657230), (35, 563340), (41, 480900), (42, 469450), (50, 394338), (60, 328615), (70, 281670), (75, 262892), (82, 240450), (84, 234725), (100, 197169), (105, 187780), (123, 160300), (140, 140835), (150, 131446), (164, 120225), (175, 112668), (205, 96180), (210, 93890), (229, 86100), (246, 80150), (287, 68700), (300, 65723), (350, 56334), (410, 48090), (420, 46945), (458, 43050), (492, 40075), (525, 37556), (574, 34350), (615, 32060), (687, 28700), (700, 28167), (820, 24045), (861, 22900), (916, 21525), (1025, 19236), (1050, 18778), (1145, 17220), (1148, 17175), (1230, 16030), (1374, 14350), (1435, 13740), (1603, 12300), (1722, 11450), (2050, 9618), (2100, 9389), (2290, 8610), (2460, 8015), (2748, 7175), (2870, 6870), (3075, 6412), (3206, 6150), (3435, 5740), (3444, 5725), (4100, 4809), (4305, 4580)]