1566989020

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{457}}^1\times {\mathrm{991}}^1$

素因数の和:1630

約数の個数: 48

約数和(自身を含む): 3320287488

約数和(自身を除く): 1753298468

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 457, 692, 865, 914, 991, 1730, 1828, 1982, 2285, 3460, 3964, 4570, 4955, 9140, 9910, 19820, 79061, 158122, 171443, 316244, 342886, 395305, 452887, 685772, 790610, 857215, 905774, 1581220, 1714430, 1811548, 2264435, 3428860, 4528870, 9057740, 78349451, 156698902, 313397804, 391747255, 783494510, 1566989020]

約数ペア:

[(1, 1566989020), (2, 783494510), (4, 391747255), (5, 313397804), (10, 156698902), (20, 78349451), (173, 9057740), (346, 4528870), (457, 3428860), (692, 2264435), (865, 1811548), (914, 1714430), (991, 1581220), (1730, 905774), (1828, 857215), (1982, 790610), (2285, 685772), (3460, 452887), (3964, 395305), (4570, 342886), (4955, 316244), (9140, 171443), (9910, 158122), (19820, 79061)]