84139220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20129}}^1$

素因数の和:20168

約数の個数: 48

約数和(自身を含む): 202910400

約数和(自身を除く): 118771180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 20129, 40258, 80516, 100645, 201290, 221419, 382451, 402580, 442838, 764902, 885676, 1107095, 1529804, 1912255, 2214190, 3824510, 4206961, 4428380, 7649020, 8413922, 16827844, 21034805, 42069610, 84139220]

約数ペア:

[(1, 84139220), (2, 42069610), (4, 21034805), (5, 16827844), (10, 8413922), (11, 7649020), (19, 4428380), (20, 4206961), (22, 3824510), (38, 2214190), (44, 1912255), (55, 1529804), (76, 1107095), (95, 885676), (110, 764902), (190, 442838), (209, 402580), (220, 382451), (380, 221419), (418, 201290), (836, 100645), (1045, 80516), (2090, 40258), (4180, 20129)]