209976570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2957}}^1$

素因数の和:3236

約数の個数: 64

約数和(自身を含む): 562256640

約数和(自身を除く): 352280070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 263, 270, 526, 789, 1315, 1578, 2367, 2630, 2957, 3945, 4734, 5914, 7101, 7890, 8871, 11835, 14202, 14785, 17742, 23670, 26613, 29570, 35505, 44355, 53226, 71010, 79839, 88710, 133065, 159678, 266130, 399195, 777691, 798390, 1555382, 2333073, 3888455, 4666146, 6999219, 7776910, 11665365, 13998438, 20997657, 23330730, 34996095, 41995314, 69992190, 104988285, 209976570]

約数ペア:

[(1, 209976570), (2, 104988285), (3, 69992190), (5, 41995314), (6, 34996095), (9, 23330730), (10, 20997657), (15, 13998438), (18, 11665365), (27, 7776910), (30, 6999219), (45, 4666146), (54, 3888455), (90, 2333073), (135, 1555382), (263, 798390), (270, 777691), (526, 399195), (789, 266130), (1315, 159678), (1578, 133065), (2367, 88710), (2630, 79839), (2957, 71010), (3945, 53226), (4734, 44355), (5914, 35505), (7101, 29570), (7890, 26613), (8871, 23670), (11835, 17742), (14202, 14785)]