221488890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{55511}}^1$

素因数の和:55547

約数の個数: 64

約数和(自身を含む): 639498240

約数和(自身を除く): 418009350

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 55511, 111022, 166533, 277555, 333066, 388577, 555110, 777154, 832665, 1054709, 1165731, 1665330, 1942885, 2109418, 2331462, 3164127, 3885770, 5273545, 5828655, 6328254, 7382963, 10547090, 11657310, 14765926, 15820635, 22148889, 31641270, 36914815, 44297778, 73829630, 110744445, 221488890]

約数ペア:

[(1, 221488890), (2, 110744445), (3, 73829630), (5, 44297778), (6, 36914815), (7, 31641270), (10, 22148889), (14, 15820635), (15, 14765926), (19, 11657310), (21, 10547090), (30, 7382963), (35, 6328254), (38, 5828655), (42, 5273545), (57, 3885770), (70, 3164127), (95, 2331462), (105, 2109418), (114, 1942885), (133, 1665330), (190, 1165731), (210, 1054709), (266, 832665), (285, 777154), (399, 555110), (570, 388577), (665, 333066), (798, 277555), (1330, 166533), (1995, 111022), (3990, 55511)]