282987220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{15739}}^1$

素因数の和:15808

約数の個数: 48

約数和(自身を含む): 634636800

約数和(自身を除く): 351649580

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 8990, 15739, 17980, 31478, 62956, 78695, 157390, 314780, 456431, 487909, 912862, 975818, 1825724, 1951636, 2282155, 2439545, 4564310, 4879090, 9128620, 9758180, 14149361, 28298722, 56597444, 70746805, 141493610, 282987220]

約数ペア:

[(1, 282987220), (2, 141493610), (4, 70746805), (5, 56597444), (10, 28298722), (20, 14149361), (29, 9758180), (31, 9128620), (58, 4879090), (62, 4564310), (116, 2439545), (124, 2282155), (145, 1951636), (155, 1825724), (290, 975818), (310, 912862), (580, 487909), (620, 456431), (899, 314780), (1798, 157390), (3596, 78695), (4495, 62956), (8990, 31478), (15739, 17980)]