219310880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80629}}^1$

素因数の和:80661

約数の個数: 48

約数和(自身を含む): 548606520

約数和(自身を除く): 329295640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 80629, 161258, 322516, 403145, 645032, 806290, 1290064, 1370693, 1612580, 2580128, 2741386, 3225160, 5482772, 6450320, 6853465, 10965544, 12900640, 13706930, 21931088, 27413860, 43862176, 54827720, 109655440, 219310880]

約数ペア:

[(1, 219310880), (2, 109655440), (4, 54827720), (5, 43862176), (8, 27413860), (10, 21931088), (16, 13706930), (17, 12900640), (20, 10965544), (32, 6853465), (34, 6450320), (40, 5482772), (68, 3225160), (80, 2741386), (85, 2580128), (136, 1612580), (160, 1370693), (170, 1290064), (272, 806290), (340, 645032), (544, 403145), (680, 322516), (1360, 161258), (2720, 80629)]