1968820

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{41}}^1$

素因数の和:78

約数の個数: 60

約数和(自身を含む): 4940964

約数和(自身を除く): 2972144

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 343, 410, 490, 574, 686, 820, 980, 1148, 1372, 1435, 1715, 2009, 2401, 2870, 3430, 4018, 4802, 5740, 6860, 8036, 9604, 10045, 12005, 14063, 20090, 24010, 28126, 40180, 48020, 56252, 70315, 98441, 140630, 196882, 281260, 393764, 492205, 984410, 1968820]

約数ペア:

[(1, 1968820), (2, 984410), (4, 492205), (5, 393764), (7, 281260), (10, 196882), (14, 140630), (20, 98441), (28, 70315), (35, 56252), (41, 48020), (49, 40180), (70, 28126), (82, 24010), (98, 20090), (140, 14063), (164, 12005), (196, 10045), (205, 9604), (245, 8036), (287, 6860), (343, 5740), (410, 4802), (490, 4018), (574, 3430), (686, 2870), (820, 2401), (980, 2009), (1148, 1715), (1372, 1435)]