208553620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{55763}}^1$

素因数の和:55800

約数の個数: 48

約数和(自身を含む): 505891008

約数和(自身を除く): 297337388

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 55763, 111526, 223052, 278815, 557630, 613393, 947971, 1115260, 1226786, 1895942, 2453572, 3066965, 3791884, 4739855, 6133930, 9479710, 10427681, 12267860, 18959420, 20855362, 41710724, 52138405, 104276810, 208553620]

約数ペア:

[(1, 208553620), (2, 104276810), (4, 52138405), (5, 41710724), (10, 20855362), (11, 18959420), (17, 12267860), (20, 10427681), (22, 9479710), (34, 6133930), (44, 4739855), (55, 3791884), (68, 3066965), (85, 2453572), (110, 1895942), (170, 1226786), (187, 1115260), (220, 947971), (340, 613393), (374, 557630), (748, 278815), (935, 223052), (1870, 111526), (3740, 55763)]