219628780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{13183}}^1$

素因数の和:13223

約数の個数: 72

約数和(自身を含む): 568124928

約数和(自身を除く): 348496148

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 13183, 16660, 26366, 52732, 65915, 92281, 131830, 184562, 224111, 263660, 369124, 448222, 461405, 645967, 896444, 922810, 1120555, 1291934, 1568777, 1845620, 2241110, 2583868, 3137554, 3229835, 4482220, 6275108, 6459670, 7843885, 10981439, 12919340, 15687770, 21962878, 31375540, 43925756, 54907195, 109814390, 219628780]

約数ペア:

[(1, 219628780), (2, 109814390), (4, 54907195), (5, 43925756), (7, 31375540), (10, 21962878), (14, 15687770), (17, 12919340), (20, 10981439), (28, 7843885), (34, 6459670), (35, 6275108), (49, 4482220), (68, 3229835), (70, 3137554), (85, 2583868), (98, 2241110), (119, 1845620), (140, 1568777), (170, 1291934), (196, 1120555), (238, 922810), (245, 896444), (340, 645967), (476, 461405), (490, 448222), (595, 369124), (833, 263660), (980, 224111), (1190, 184562), (1666, 131830), (2380, 92281), (3332, 65915), (4165, 52732), (8330, 26366), (13183, 16660)]