7029450020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{261707}}^1$

素因数の和:261812

約数の個数: 48

約数和(自身を含む): 15828099840

約数和(自身を除く): 8798649820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1343, 1580, 2686, 5372, 6715, 13430, 26860, 261707, 523414, 1046828, 1308535, 2617070, 4449019, 5234140, 8898038, 17796076, 20674853, 22245095, 41349706, 44490190, 82699412, 88980380, 103374265, 206748530, 351472501, 413497060, 702945002, 1405890004, 1757362505, 3514725010, 7029450020]

約数ペア:

[(1, 7029450020), (2, 3514725010), (4, 1757362505), (5, 1405890004), (10, 702945002), (17, 413497060), (20, 351472501), (34, 206748530), (68, 103374265), (79, 88980380), (85, 82699412), (158, 44490190), (170, 41349706), (316, 22245095), (340, 20674853), (395, 17796076), (790, 8898038), (1343, 5234140), (1580, 4449019), (2686, 2617070), (5372, 1308535), (6715, 1046828), (13430, 523414), (26860, 261707)]