259778860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{14947}}^1$

素因数の和:15046

約数の個数: 48

約数和(自身を含む): 602703360

約数和(自身を除く): 342924500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 14947, 17380, 29894, 59788, 74735, 149470, 164417, 298940, 328834, 657668, 822085, 1180813, 1644170, 2361626, 3288340, 4723252, 5904065, 11808130, 12988943, 23616260, 25977886, 51955772, 64944715, 129889430, 259778860]

約数ペア:

[(1, 259778860), (2, 129889430), (4, 64944715), (5, 51955772), (10, 25977886), (11, 23616260), (20, 12988943), (22, 11808130), (44, 5904065), (55, 4723252), (79, 3288340), (110, 2361626), (158, 1644170), (220, 1180813), (316, 822085), (395, 657668), (790, 328834), (869, 298940), (1580, 164417), (1738, 149470), (3476, 74735), (4345, 59788), (8690, 29894), (14947, 17380)]