8360380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 21546000

約数和(自身を除く): 13185620

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 449, 490, 532, 665, 898, 931, 980, 1330, 1796, 1862, 2245, 2660, 3143, 3724, 4490, 4655, 6286, 8531, 8980, 9310, 12572, 15715, 17062, 18620, 22001, 31430, 34124, 42655, 44002, 59717, 62860, 85310, 88004, 110005, 119434, 170620, 220010, 238868, 298585, 418019, 440020, 597170, 836038, 1194340, 1672076, 2090095, 4180190, 8360380]

約数ペア:

[(1, 8360380), (2, 4180190), (4, 2090095), (5, 1672076), (7, 1194340), (10, 836038), (14, 597170), (19, 440020), (20, 418019), (28, 298585), (35, 238868), (38, 220010), (49, 170620), (70, 119434), (76, 110005), (95, 88004), (98, 85310), (133, 62860), (140, 59717), (190, 44002), (196, 42655), (245, 34124), (266, 31430), (380, 22001), (449, 18620), (490, 17062), (532, 15715), (665, 12572), (898, 9310), (931, 8980), (980, 8531), (1330, 6286), (1796, 4655), (1862, 4490), (2245, 3724), (2660, 3143)]