55520380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{601}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 121363200

約数和(自身を除く): 65842820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 596, 601, 620, 745, 1202, 1490, 2404, 2980, 3005, 4619, 6010, 9238, 12020, 18476, 18631, 23095, 37262, 46190, 74524, 89549, 92380, 93155, 179098, 186310, 358196, 372620, 447745, 895490, 1790980, 2776019, 5552038, 11104076, 13880095, 27760190, 55520380]

約数ペア:

[(1, 55520380), (2, 27760190), (4, 13880095), (5, 11104076), (10, 5552038), (20, 2776019), (31, 1790980), (62, 895490), (124, 447745), (149, 372620), (155, 358196), (298, 186310), (310, 179098), (596, 93155), (601, 92380), (620, 89549), (745, 74524), (1202, 46190), (1490, 37262), (2404, 23095), (2980, 18631), (3005, 18476), (4619, 12020), (6010, 9238)]