165774820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{7993}}^1$

素因数の和:8080

約数の個数: 48

約数和(自身を含む): 374694768

約数和(自身を除く): 208919948

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 2074, 4148, 5185, 7993, 10370, 15986, 20740, 31972, 39965, 79930, 135881, 159860, 271762, 487573, 543524, 679405, 975146, 1358810, 1950292, 2437865, 2717620, 4875730, 8288741, 9751460, 16577482, 33154964, 41443705, 82887410, 165774820]

約数ペア:

[(1, 165774820), (2, 82887410), (4, 41443705), (5, 33154964), (10, 16577482), (17, 9751460), (20, 8288741), (34, 4875730), (61, 2717620), (68, 2437865), (85, 1950292), (122, 1358810), (170, 975146), (244, 679405), (305, 543524), (340, 487573), (610, 271762), (1037, 159860), (1220, 135881), (2074, 79930), (4148, 39965), (5185, 31972), (7993, 20740), (10370, 15986)]