1993740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 6580224

約数和(自身を除く): 4586484

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 101, 105, 140, 141, 188, 202, 210, 235, 282, 303, 329, 404, 420, 470, 505, 564, 606, 658, 705, 707, 940, 987, 1010, 1212, 1316, 1410, 1414, 1515, 1645, 1974, 2020, 2121, 2820, 2828, 3030, 3290, 3535, 3948, 4242, 4747, 4935, 6060, 6580, 7070, 8484, 9494, 9870, 10605, 14140, 14241, 18988, 19740, 21210, 23735, 28482, 33229, 42420, 47470, 56964, 66458, 71205, 94940, 99687, 132916, 142410, 166145, 199374, 284820, 332290, 398748, 498435, 664580, 996870, 1993740]

約数ペア:

[(1, 1993740), (2, 996870), (3, 664580), (4, 498435), (5, 398748), (6, 332290), (7, 284820), (10, 199374), (12, 166145), (14, 142410), (15, 132916), (20, 99687), (21, 94940), (28, 71205), (30, 66458), (35, 56964), (42, 47470), (47, 42420), (60, 33229), (70, 28482), (84, 23735), (94, 21210), (101, 19740), (105, 18988), (140, 14241), (141, 14140), (188, 10605), (202, 9870), (210, 9494), (235, 8484), (282, 7070), (303, 6580), (329, 6060), (404, 4935), (420, 4747), (470, 4242), (505, 3948), (564, 3535), (606, 3290), (658, 3030), (705, 2828), (707, 2820), (940, 2121), (987, 2020), (1010, 1974), (1212, 1645), (1316, 1515), (1410, 1414)]