209501820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{9619}}^1$

素因数の和:9656

約数の個数: 108

約数和(自身を含む): 698585160

約数和(自身を除く): 489083340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 9619, 10890, 19238, 21780, 28857, 38476, 48095, 57714, 86571, 96190, 105809, 115428, 144285, 173142, 192380, 211618, 288570, 317427, 346284, 423236, 432855, 529045, 577140, 634854, 865710, 952281, 1058090, 1163899, 1269708, 1587135, 1731420, 1904562, 2116180, 2327798, 3174270, 3491697, 3809124, 4655596, 4761405, 5819495, 6348540, 6983394, 9522810, 10475091, 11638990, 13966788, 17458485, 19045620, 20950182, 23277980, 34916970, 41900364, 52375455, 69833940, 104750910, 209501820]

約数ペア:

[(1, 209501820), (2, 104750910), (3, 69833940), (4, 52375455), (5, 41900364), (6, 34916970), (9, 23277980), (10, 20950182), (11, 19045620), (12, 17458485), (15, 13966788), (18, 11638990), (20, 10475091), (22, 9522810), (30, 6983394), (33, 6348540), (36, 5819495), (44, 4761405), (45, 4655596), (55, 3809124), (60, 3491697), (66, 3174270), (90, 2327798), (99, 2116180), (110, 1904562), (121, 1731420), (132, 1587135), (165, 1269708), (180, 1163899), (198, 1058090), (220, 952281), (242, 865710), (330, 634854), (363, 577140), (396, 529045), (484, 432855), (495, 423236), (605, 346284), (660, 317427), (726, 288570), (990, 211618), (1089, 192380), (1210, 173142), (1452, 144285), (1815, 115428), (1980, 105809), (2178, 96190), (2420, 86571), (3630, 57714), (4356, 48095), (5445, 38476), (7260, 28857), (9619, 21780), (10890, 19238)]