839633620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{3049}}^1$

素因数の和:3353

約数の個数: 72

約数和(自身を含む): 2059079400

約数和(自身を除く): 1219445780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 281, 490, 562, 980, 1124, 1405, 1967, 2810, 3049, 3934, 5620, 6098, 7868, 9835, 12196, 13769, 15245, 19670, 21343, 27538, 30490, 39340, 42686, 55076, 60980, 68845, 85372, 106715, 137690, 149401, 213430, 275380, 298802, 426860, 597604, 747005, 856769, 1494010, 1713538, 2988020, 3427076, 4283845, 5997383, 8567690, 11994766, 17135380, 23989532, 29986915, 41981681, 59973830, 83963362, 119947660, 167926724, 209908405, 419816810, 839633620]

約数ペア:

[(1, 839633620), (2, 419816810), (4, 209908405), (5, 167926724), (7, 119947660), (10, 83963362), (14, 59973830), (20, 41981681), (28, 29986915), (35, 23989532), (49, 17135380), (70, 11994766), (98, 8567690), (140, 5997383), (196, 4283845), (245, 3427076), (281, 2988020), (490, 1713538), (562, 1494010), (980, 856769), (1124, 747005), (1405, 597604), (1967, 426860), (2810, 298802), (3049, 275380), (3934, 213430), (5620, 149401), (6098, 137690), (7868, 106715), (9835, 85372), (12196, 68845), (13769, 60980), (15245, 55076), (19670, 42686), (21343, 39340), (27538, 30490)]