258492740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 609638400

約数和(自身を除く): 351145660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 107, 110, 139, 158, 214, 220, 278, 316, 395, 428, 535, 556, 695, 790, 869, 1070, 1177, 1390, 1529, 1580, 1738, 2140, 2354, 2780, 3058, 3476, 4345, 4708, 5885, 6116, 7645, 8453, 8690, 10981, 11770, 14873, 15290, 16906, 17380, 21962, 23540, 29746, 30580, 33812, 42265, 43924, 54905, 59492, 74365, 84530, 92983, 109810, 120791, 148730, 163603, 169060, 185966, 219620, 241582, 297460, 327206, 371932, 464915, 483164, 603955, 654412, 818015, 929830, 1174967, 1207910, 1636030, 1859660, 2349934, 2415820, 3272060, 4699868, 5874835, 11749670, 12924637, 23499340, 25849274, 51698548, 64623185, 129246370, 258492740]

約数ペア:

[(1, 258492740), (2, 129246370), (4, 64623185), (5, 51698548), (10, 25849274), (11, 23499340), (20, 12924637), (22, 11749670), (44, 5874835), (55, 4699868), (79, 3272060), (107, 2415820), (110, 2349934), (139, 1859660), (158, 1636030), (214, 1207910), (220, 1174967), (278, 929830), (316, 818015), (395, 654412), (428, 603955), (535, 483164), (556, 464915), (695, 371932), (790, 327206), (869, 297460), (1070, 241582), (1177, 219620), (1390, 185966), (1529, 169060), (1580, 163603), (1738, 148730), (2140, 120791), (2354, 109810), (2780, 92983), (3058, 84530), (3476, 74365), (4345, 59492), (4708, 54905), (5885, 43924), (6116, 42265), (7645, 33812), (8453, 30580), (8690, 29746), (10981, 23540), (11770, 21962), (14873, 17380), (15290, 16906)]