989121320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{859}}^1\times {\mathrm{2617}}^1$

素因数の和:3498

約数の個数: 64

約数和(自身を含む): 2431598400

約数和(自身を除く): 1442477080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 859, 1718, 2617, 3436, 4295, 5234, 6872, 8590, 9449, 10468, 13085, 17180, 18898, 20936, 26170, 28787, 34360, 37796, 47245, 52340, 57574, 75592, 94490, 104680, 115148, 143935, 188980, 230296, 287870, 377960, 575740, 1151480, 2248003, 4496006, 8992012, 11240015, 17984024, 22480030, 24728033, 44960060, 49456066, 89920120, 98912132, 123640165, 197824264, 247280330, 494560660, 989121320]

約数ペア:

[(1, 989121320), (2, 494560660), (4, 247280330), (5, 197824264), (8, 123640165), (10, 98912132), (11, 89920120), (20, 49456066), (22, 44960060), (40, 24728033), (44, 22480030), (55, 17984024), (88, 11240015), (110, 8992012), (220, 4496006), (440, 2248003), (859, 1151480), (1718, 575740), (2617, 377960), (3436, 287870), (4295, 230296), (5234, 188980), (6872, 143935), (8590, 115148), (9449, 104680), (10468, 94490), (13085, 75592), (17180, 57574), (18898, 52340), (20936, 47245), (26170, 37796), (28787, 34360)]