2045879720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{86837}}^1$

素因数の和:86898

約数の個数: 64

約数和(自身を含む): 5001868800

約数和(自身を除く): 2955989080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 4712, 5890, 11780, 23560, 86837, 173674, 347348, 434185, 694696, 868370, 1649903, 1736740, 2691947, 3299806, 3473480, 5383894, 6599612, 8249515, 10767788, 13199224, 13459735, 16499030, 21535576, 26919470, 32998060, 51146993, 53838940, 65996120, 102293986, 107677880, 204587972, 255734965, 409175944, 511469930, 1022939860, 2045879720]

約数ペア:

[(1, 2045879720), (2, 1022939860), (4, 511469930), (5, 409175944), (8, 255734965), (10, 204587972), (19, 107677880), (20, 102293986), (31, 65996120), (38, 53838940), (40, 51146993), (62, 32998060), (76, 26919470), (95, 21535576), (124, 16499030), (152, 13459735), (155, 13199224), (190, 10767788), (248, 8249515), (310, 6599612), (380, 5383894), (589, 3473480), (620, 3299806), (760, 2691947), (1178, 1736740), (1240, 1649903), (2356, 868370), (2945, 694696), (4712, 434185), (5890, 347348), (11780, 173674), (23560, 86837)]