258672820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 637072128

約数和(自身を除く): 378399308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 113, 140, 166, 197, 226, 332, 394, 415, 452, 565, 581, 788, 791, 830, 985, 1130, 1162, 1379, 1582, 1660, 1970, 2260, 2324, 2758, 2905, 3164, 3940, 3955, 5516, 5810, 6895, 7910, 9379, 11620, 13790, 15820, 16351, 18758, 22261, 27580, 32702, 37516, 44522, 46895, 65404, 65653, 81755, 89044, 93790, 111305, 114457, 131306, 155827, 163510, 187580, 222610, 228914, 262612, 311654, 327020, 328265, 445220, 457828, 572285, 623308, 656530, 779135, 1144570, 1313060, 1558270, 1847663, 2289140, 3116540, 3695326, 7390652, 9238315, 12933641, 18476630, 25867282, 36953260, 51734564, 64668205, 129336410, 258672820]

約数ペア:

[(1, 258672820), (2, 129336410), (4, 64668205), (5, 51734564), (7, 36953260), (10, 25867282), (14, 18476630), (20, 12933641), (28, 9238315), (35, 7390652), (70, 3695326), (83, 3116540), (113, 2289140), (140, 1847663), (166, 1558270), (197, 1313060), (226, 1144570), (332, 779135), (394, 656530), (415, 623308), (452, 572285), (565, 457828), (581, 445220), (788, 328265), (791, 327020), (830, 311654), (985, 262612), (1130, 228914), (1162, 222610), (1379, 187580), (1582, 163510), (1660, 155827), (1970, 131306), (2260, 114457), (2324, 111305), (2758, 93790), (2905, 89044), (3164, 81755), (3940, 65653), (3955, 65404), (5516, 46895), (5810, 44522), (6895, 37516), (7910, 32702), (9379, 27580), (11620, 22261), (13790, 18758), (15820, 16351)]