287635540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1\times {\mathrm{571}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 614053440

約数和(自身を除く): 326417900

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 283, 356, 445, 566, 571, 890, 1132, 1142, 1415, 1780, 2284, 2830, 2855, 5660, 5710, 11420, 25187, 50374, 50819, 100748, 101638, 125935, 161593, 203276, 251870, 254095, 323186, 503740, 508190, 646372, 807965, 1016380, 1615930, 3231860, 14381777, 28763554, 57527108, 71908885, 143817770, 287635540]

約数ペア:

[(1, 287635540), (2, 143817770), (4, 71908885), (5, 57527108), (10, 28763554), (20, 14381777), (89, 3231860), (178, 1615930), (283, 1016380), (356, 807965), (445, 646372), (566, 508190), (571, 503740), (890, 323186), (1132, 254095), (1142, 251870), (1415, 203276), (1780, 161593), (2284, 125935), (2830, 101638), (2855, 100748), (5660, 50819), (5710, 50374), (11420, 25187)]