201922120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{683}}^1$

素因数の和:1102

約数の個数: 64

約数和(自身を含む): 480168000

約数和(自身を除く): 278245880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 389, 683, 760, 778, 1366, 1556, 1945, 2732, 3112, 3415, 3890, 5464, 6830, 7391, 7780, 12977, 13660, 14782, 15560, 25954, 27320, 29564, 36955, 51908, 59128, 64885, 73910, 103816, 129770, 147820, 259540, 265687, 295640, 519080, 531374, 1062748, 1328435, 2125496, 2656870, 5048053, 5313740, 10096106, 10627480, 20192212, 25240265, 40384424, 50480530, 100961060, 201922120]

約数ペア:

[(1, 201922120), (2, 100961060), (4, 50480530), (5, 40384424), (8, 25240265), (10, 20192212), (19, 10627480), (20, 10096106), (38, 5313740), (40, 5048053), (76, 2656870), (95, 2125496), (152, 1328435), (190, 1062748), (380, 531374), (389, 519080), (683, 295640), (760, 265687), (778, 259540), (1366, 147820), (1556, 129770), (1945, 103816), (2732, 73910), (3112, 64885), (3415, 59128), (3890, 51908), (5464, 36955), (6830, 29564), (7391, 27320), (7780, 25954), (12977, 15560), (13660, 14782)]