208725220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{6043}}^1$

素因数の和:6220

約数の個数: 48

約数和(自身を含む): 481295808

約数和(自身を除く): 272570588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 1570, 1727, 3140, 3454, 6043, 6908, 8635, 12086, 17270, 24172, 30215, 34540, 60430, 66473, 120860, 132946, 265892, 332365, 664730, 948751, 1329460, 1897502, 3795004, 4743755, 9487510, 10436261, 18975020, 20872522, 41745044, 52181305, 104362610, 208725220]

約数ペア:

[(1, 208725220), (2, 104362610), (4, 52181305), (5, 41745044), (10, 20872522), (11, 18975020), (20, 10436261), (22, 9487510), (44, 4743755), (55, 3795004), (110, 1897502), (157, 1329460), (220, 948751), (314, 664730), (628, 332365), (785, 265892), (1570, 132946), (1727, 120860), (3140, 66473), (3454, 60430), (6043, 34540), (6908, 30215), (8635, 24172), (12086, 17270)]