619421740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{27481}}^1$

素因数の和:27527

約数の個数: 72

約数和(自身を含む): 1579005792

約数和(自身を除く): 959584052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 11270, 22540, 27481, 54962, 109924, 137405, 192367, 274810, 384734, 549620, 632063, 769468, 961835, 1264126, 1346569, 1923670, 2528252, 2693138, 3160315, 3847340, 4424441, 5386276, 6320630, 6732845, 8848882, 12641260, 13465690, 17697764, 22122205, 26931380, 30971087, 44244410, 61942174, 88488820, 123884348, 154855435, 309710870, 619421740]

約数ペア:

[(1, 619421740), (2, 309710870), (4, 154855435), (5, 123884348), (7, 88488820), (10, 61942174), (14, 44244410), (20, 30971087), (23, 26931380), (28, 22122205), (35, 17697764), (46, 13465690), (49, 12641260), (70, 8848882), (92, 6732845), (98, 6320630), (115, 5386276), (140, 4424441), (161, 3847340), (196, 3160315), (230, 2693138), (245, 2528252), (322, 1923670), (460, 1346569), (490, 1264126), (644, 961835), (805, 769468), (980, 632063), (1127, 549620), (1610, 384734), (2254, 274810), (3220, 192367), (4508, 137405), (5635, 109924), (11270, 54962), (22540, 27481)]