1138972660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{166031}}^1$

素因数の和:166061

約数の個数: 48

約数和(自身を含む): 2789337600

約数和(自身を除く): 1650364940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 166031, 332062, 664124, 830155, 1162217, 1660310, 2324434, 3320620, 4648868, 5811085, 8135519, 11622170, 16271038, 23244340, 32542076, 40677595, 56948633, 81355190, 113897266, 162710380, 227794532, 284743165, 569486330, 1138972660]

約数ペア:

[(1, 1138972660), (2, 569486330), (4, 284743165), (5, 227794532), (7, 162710380), (10, 113897266), (14, 81355190), (20, 56948633), (28, 40677595), (35, 32542076), (49, 23244340), (70, 16271038), (98, 11622170), (140, 8135519), (196, 5811085), (245, 4648868), (343, 3320620), (490, 2324434), (686, 1660310), (980, 1162217), (1372, 830155), (1715, 664124), (3430, 332062), (6860, 166031)]