289206540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{229529}}^1$

素因数の和:229551

約数の個数: 72

約数和(自身を含む): 1002587040

約数和(自身を除く): 713380500

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, 229529, 459058, 688587, 918116, 1147645, 1377174, 1606703, 2065761, 2295290, 2754348, 3213406, 3442935, 4131522, 4590580, 4820109, 6426812, 6885870, 8033515, 8263044, 9640218, 10328805, 13771740, 14460327, 16067030, 19280436, 20657610, 24100545, 28920654, 32134060, 41315220, 48201090, 57841308, 72301635, 96402180, 144603270, 289206540]

約数ペア:

[(1, 289206540), (2, 144603270), (3, 96402180), (4, 72301635), (5, 57841308), (6, 48201090), (7, 41315220), (9, 32134060), (10, 28920654), (12, 24100545), (14, 20657610), (15, 19280436), (18, 16067030), (20, 14460327), (21, 13771740), (28, 10328805), (30, 9640218), (35, 8263044), (36, 8033515), (42, 6885870), (45, 6426812), (60, 4820109), (63, 4590580), (70, 4131522), (84, 3442935), (90, 3213406), (105, 2754348), (126, 2295290), (140, 2065761), (180, 1606703), (210, 1377174), (252, 1147645), (315, 918116), (420, 688587), (630, 459058), (1260, 229529)]