51517060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{131}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 126979776

約数和(自身を除く): 75462716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 131, 140, 212, 262, 265, 371, 524, 530, 655, 742, 917, 1060, 1310, 1484, 1834, 1855, 2620, 2809, 3668, 3710, 4585, 5618, 6943, 7420, 9170, 11236, 13886, 14045, 18340, 19663, 27772, 28090, 34715, 39326, 48601, 56180, 69430, 78652, 97202, 98315, 138860, 194404, 196630, 243005, 367979, 393260, 486010, 735958, 972020, 1471916, 1839895, 2575853, 3679790, 5151706, 7359580, 10303412, 12879265, 25758530, 51517060]

約数ペア:

[(1, 51517060), (2, 25758530), (4, 12879265), (5, 10303412), (7, 7359580), (10, 5151706), (14, 3679790), (20, 2575853), (28, 1839895), (35, 1471916), (53, 972020), (70, 735958), (106, 486010), (131, 393260), (140, 367979), (212, 243005), (262, 196630), (265, 194404), (371, 138860), (524, 98315), (530, 97202), (655, 78652), (742, 69430), (917, 56180), (1060, 48601), (1310, 39326), (1484, 34715), (1834, 28090), (1855, 27772), (2620, 19663), (2809, 18340), (3668, 14045), (3710, 13886), (4585, 11236), (5618, 9170), (6943, 7420)]