1548888980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{14419}}^1$

素因数の和:14600

約数の個数: 48

約数和(自身を含む): 3357668160

約数和(自身を除く): 1808779180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 131, 164, 205, 262, 410, 524, 655, 820, 1310, 2620, 5371, 10742, 14419, 21484, 26855, 28838, 53710, 57676, 72095, 107420, 144190, 288380, 591179, 1182358, 1888889, 2364716, 2955895, 3777778, 5911790, 7555556, 9444445, 11823580, 18888890, 37777780, 77444449, 154888898, 309777796, 387222245, 774444490, 1548888980]

約数ペア:

[(1, 1548888980), (2, 774444490), (4, 387222245), (5, 309777796), (10, 154888898), (20, 77444449), (41, 37777780), (82, 18888890), (131, 11823580), (164, 9444445), (205, 7555556), (262, 5911790), (410, 3777778), (524, 2955895), (655, 2364716), (820, 1888889), (1310, 1182358), (2620, 591179), (5371, 288380), (10742, 144190), (14419, 107420), (21484, 72095), (26855, 57676), (28838, 53710)]