219846440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{8191}}^1$

素因数の和:8274

約数の個数: 64

約数和(自身を含む): 548536320

約数和(自身を除く): 328689880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3355, 5368, 6710, 8191, 13420, 16382, 26840, 32764, 40955, 65528, 81910, 90101, 163820, 180202, 327640, 360404, 450505, 499651, 720808, 901010, 999302, 1802020, 1998604, 2498255, 3604040, 3997208, 4996510, 5496161, 9993020, 10992322, 19986040, 21984644, 27480805, 43969288, 54961610, 109923220, 219846440]

約数ペア:

[(1, 219846440), (2, 109923220), (4, 54961610), (5, 43969288), (8, 27480805), (10, 21984644), (11, 19986040), (20, 10992322), (22, 9993020), (40, 5496161), (44, 4996510), (55, 3997208), (61, 3604040), (88, 2498255), (110, 1998604), (122, 1802020), (220, 999302), (244, 901010), (305, 720808), (440, 499651), (488, 450505), (610, 360404), (671, 327640), (1220, 180202), (1342, 163820), (2440, 90101), (2684, 81910), (3355, 65528), (5368, 40955), (6710, 32764), (8191, 26840), (13420, 16382)]