200908980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2729}}^1$

素因数の和:3153

約数の個数: 72

約数和(自身を含む): 611137800

約数和(自身を除く): 410228820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 818, 1227, 1636, 2045, 2454, 2729, 3681, 4090, 4908, 5458, 6135, 7362, 8180, 8187, 10916, 12270, 13645, 14724, 16374, 18405, 24540, 24561, 27290, 32748, 36810, 40935, 49122, 54580, 73620, 81870, 98244, 122805, 163740, 245610, 491220, 1116161, 2232322, 3348483, 4464644, 5580805, 6696966, 10045449, 11161610, 13393932, 16742415, 20090898, 22323220, 33484830, 40181796, 50227245, 66969660, 100454490, 200908980]

約数ペア:

[(1, 200908980), (2, 100454490), (3, 66969660), (4, 50227245), (5, 40181796), (6, 33484830), (9, 22323220), (10, 20090898), (12, 16742415), (15, 13393932), (18, 11161610), (20, 10045449), (30, 6696966), (36, 5580805), (45, 4464644), (60, 3348483), (90, 2232322), (180, 1116161), (409, 491220), (818, 245610), (1227, 163740), (1636, 122805), (2045, 98244), (2454, 81870), (2729, 73620), (3681, 54580), (4090, 49122), (4908, 40935), (5458, 36810), (6135, 32748), (7362, 27290), (8180, 24561), (8187, 24540), (10916, 18405), (12270, 16374), (13645, 14724)]