1897212520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{823}}^1\times {\mathrm{8233}}^1$

素因数の和:9074

約数の個数: 64

約数和(自身を含む): 4885067520

約数和(自身を除く): 2987855000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 823, 1646, 3292, 4115, 5761, 6584, 8230, 8233, 11522, 16460, 16466, 23044, 28805, 32920, 32932, 41165, 46088, 57610, 57631, 65864, 82330, 115220, 115262, 164660, 230440, 230524, 288155, 329320, 461048, 576310, 1152620, 2305240, 6775759, 13551518, 27103036, 33878795, 47430313, 54206072, 67757590, 94860626, 135515180, 189721252, 237151565, 271030360, 379442504, 474303130, 948606260, 1897212520]

約数ペア:

[(1, 1897212520), (2, 948606260), (4, 474303130), (5, 379442504), (7, 271030360), (8, 237151565), (10, 189721252), (14, 135515180), (20, 94860626), (28, 67757590), (35, 54206072), (40, 47430313), (56, 33878795), (70, 27103036), (140, 13551518), (280, 6775759), (823, 2305240), (1646, 1152620), (3292, 576310), (4115, 461048), (5761, 329320), (6584, 288155), (8230, 230524), (8233, 230440), (11522, 164660), (16460, 115262), (16466, 115220), (23044, 82330), (28805, 65864), (32920, 57631), (32932, 57610), (41165, 46088)]