258525140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{1657}}^1$

素因数の和:1964

約数の個数: 48

約数和(自身を含む): 564051600

約数和(自身を除く): 305526460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 269, 290, 538, 580, 1076, 1345, 1657, 2690, 3314, 5380, 6628, 7801, 8285, 15602, 16570, 31204, 33140, 39005, 48053, 78010, 96106, 156020, 192212, 240265, 445733, 480530, 891466, 961060, 1782932, 2228665, 4457330, 8914660, 12926257, 25852514, 51705028, 64631285, 129262570, 258525140]

約数ペア:

[(1, 258525140), (2, 129262570), (4, 64631285), (5, 51705028), (10, 25852514), (20, 12926257), (29, 8914660), (58, 4457330), (116, 2228665), (145, 1782932), (269, 961060), (290, 891466), (538, 480530), (580, 445733), (1076, 240265), (1345, 192212), (1657, 156020), (2690, 96106), (3314, 78010), (5380, 48053), (6628, 39005), (7801, 33140), (8285, 31204), (15602, 16570)]