219756670

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{811}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 467712000

約数和(自身を除く): 247955330

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 79, 98, 158, 245, 343, 395, 490, 553, 686, 790, 811, 1106, 1622, 1715, 2765, 3430, 3871, 4055, 5530, 5677, 7742, 8110, 11354, 19355, 27097, 28385, 38710, 39739, 54194, 56770, 64069, 79478, 128138, 135485, 198695, 270970, 278173, 320345, 397390, 448483, 556346, 640690, 896966, 1390865, 2242415, 2781730, 3139381, 4484830, 6278762, 15696905, 21975667, 31393810, 43951334, 109878335, 219756670]

約数ペア:

[(1, 219756670), (2, 109878335), (5, 43951334), (7, 31393810), (10, 21975667), (14, 15696905), (35, 6278762), (49, 4484830), (70, 3139381), (79, 2781730), (98, 2242415), (158, 1390865), (245, 896966), (343, 640690), (395, 556346), (490, 448483), (553, 397390), (686, 320345), (790, 278173), (811, 270970), (1106, 198695), (1622, 135485), (1715, 128138), (2765, 79478), (3430, 64069), (3871, 56770), (4055, 54194), (5530, 39739), (5677, 38710), (7742, 28385), (8110, 27097), (11354, 19355)]