209436260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1931}}^1$

素因数の和:1997

約数の個数: 96

約数和(自身を含む): 525813120

約数和(自身を除く): 316376860

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 29, 34, 44, 55, 58, 68, 85, 110, 116, 145, 170, 187, 220, 290, 319, 340, 374, 493, 580, 638, 748, 935, 986, 1276, 1595, 1870, 1931, 1972, 2465, 3190, 3740, 3862, 4930, 5423, 6380, 7724, 9655, 9860, 10846, 19310, 21241, 21692, 27115, 32827, 38620, 42482, 54230, 55999, 65654, 84964, 106205, 108460, 111998, 131308, 164135, 212410, 223996, 279995, 328270, 361097, 424820, 559990, 615989, 656540, 722194, 951983, 1119980, 1231978, 1444388, 1805485, 1903966, 2463956, 3079945, 3610970, 3807932, 4759915, 6159890, 7221940, 9519830, 10471813, 12319780, 19039660, 20943626, 41887252, 52359065, 104718130, 209436260]

約数ペア:

[(1, 209436260), (2, 104718130), (4, 52359065), (5, 41887252), (10, 20943626), (11, 19039660), (17, 12319780), (20, 10471813), (22, 9519830), (29, 7221940), (34, 6159890), (44, 4759915), (55, 3807932), (58, 3610970), (68, 3079945), (85, 2463956), (110, 1903966), (116, 1805485), (145, 1444388), (170, 1231978), (187, 1119980), (220, 951983), (290, 722194), (319, 656540), (340, 615989), (374, 559990), (493, 424820), (580, 361097), (638, 328270), (748, 279995), (935, 223996), (986, 212410), (1276, 164135), (1595, 131308), (1870, 111998), (1931, 108460), (1972, 106205), (2465, 84964), (3190, 65654), (3740, 55999), (3862, 54230), (4930, 42482), (5423, 38620), (6380, 32827), (7724, 27115), (9655, 21692), (9860, 21241), (10846, 19310)]