513078520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2777}}^1$

素因数の和:2968

約数の個数: 64

約数和(自身を含む): 1200096000

約数和(自身を除く): 687017480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 149, 155, 248, 298, 310, 596, 620, 745, 1192, 1240, 1490, 2777, 2980, 4619, 5554, 5960, 9238, 11108, 13885, 18476, 22216, 23095, 27770, 36952, 46190, 55540, 86087, 92380, 111080, 172174, 184760, 344348, 413773, 430435, 688696, 827546, 860870, 1655092, 1721740, 2068865, 3310184, 3443480, 4137730, 8275460, 12826963, 16550920, 25653926, 51307852, 64134815, 102615704, 128269630, 256539260, 513078520]

約数ペア:

[(1, 513078520), (2, 256539260), (4, 128269630), (5, 102615704), (8, 64134815), (10, 51307852), (20, 25653926), (31, 16550920), (40, 12826963), (62, 8275460), (124, 4137730), (149, 3443480), (155, 3310184), (248, 2068865), (298, 1721740), (310, 1655092), (596, 860870), (620, 827546), (745, 688696), (1192, 430435), (1240, 413773), (1490, 344348), (2777, 184760), (2980, 172174), (4619, 111080), (5554, 92380), (5960, 86087), (9238, 55540), (11108, 46190), (13885, 36952), (18476, 27770), (22216, 23095)]