821816940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{36919}}^1$

素因数の和:36991

約数の個数: 96

約数和(自身を含む): 2679505920

約数和(自身を除く): 1857688980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 53, 60, 70, 84, 105, 106, 140, 159, 210, 212, 265, 318, 371, 420, 530, 636, 742, 795, 1060, 1113, 1484, 1590, 1855, 2226, 3180, 3710, 4452, 5565, 7420, 11130, 22260, 36919, 73838, 110757, 147676, 184595, 221514, 258433, 369190, 443028, 516866, 553785, 738380, 775299, 1033732, 1107570, 1292165, 1550598, 1956707, 2215140, 2584330, 3101196, 3876495, 3913414, 5168660, 5870121, 7752990, 7826828, 9783535, 11740242, 13696949, 15505980, 19567070, 23480484, 27393898, 29350605, 39134140, 41090847, 54787796, 58701210, 68484745, 82181694, 117402420, 136969490, 164363388, 205454235, 273938980, 410908470, 821816940]

約数ペア:

[(1, 821816940), (2, 410908470), (3, 273938980), (4, 205454235), (5, 164363388), (6, 136969490), (7, 117402420), (10, 82181694), (12, 68484745), (14, 58701210), (15, 54787796), (20, 41090847), (21, 39134140), (28, 29350605), (30, 27393898), (35, 23480484), (42, 19567070), (53, 15505980), (60, 13696949), (70, 11740242), (84, 9783535), (105, 7826828), (106, 7752990), (140, 5870121), (159, 5168660), (210, 3913414), (212, 3876495), (265, 3101196), (318, 2584330), (371, 2215140), (420, 1956707), (530, 1550598), (636, 1292165), (742, 1107570), (795, 1033732), (1060, 775299), (1113, 738380), (1484, 553785), (1590, 516866), (1855, 443028), (2226, 369190), (3180, 258433), (3710, 221514), (4452, 184595), (5565, 147676), (7420, 110757), (11130, 73838), (22260, 36919)]