249886980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{198323}}^1$

素因数の和:198345

約数の個数: 72

約数和(自身を含む): 866279232

約数和(自身を除く): 616392252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 198323, 396646, 594969, 793292, 991615, 1189938, 1388261, 1784907, 1983230, 2379876, 2776522, 2974845, 3569814, 3966460, 4164783, 5553044, 5949690, 6941305, 7139628, 8329566, 8924535, 11899380, 12494349, 13882610, 16659132, 17849070, 20823915, 24988698, 27765220, 35698140, 41647830, 49977396, 62471745, 83295660, 124943490, 249886980]

約数ペア:

[(1, 249886980), (2, 124943490), (3, 83295660), (4, 62471745), (5, 49977396), (6, 41647830), (7, 35698140), (9, 27765220), (10, 24988698), (12, 20823915), (14, 17849070), (15, 16659132), (18, 13882610), (20, 12494349), (21, 11899380), (28, 8924535), (30, 8329566), (35, 7139628), (36, 6941305), (42, 5949690), (45, 5553044), (60, 4164783), (63, 3966460), (70, 3569814), (84, 2974845), (90, 2776522), (105, 2379876), (126, 1983230), (140, 1784907), (180, 1388261), (210, 1189938), (252, 991615), (315, 793292), (420, 594969), (630, 396646), (1260, 198323)]