54959980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1483}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 123409440

約数和(自身を除く): 68449460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 1090, 1483, 1853, 2180, 2966, 3706, 5932, 7412, 7415, 9265, 14830, 18530, 25211, 29660, 37060, 50422, 100844, 126055, 161647, 252110, 323294, 504220, 646588, 808235, 1616470, 2747999, 3232940, 5495998, 10991996, 13739995, 27479990, 54959980]

約数ペア:

[(1, 54959980), (2, 27479990), (4, 13739995), (5, 10991996), (10, 5495998), (17, 3232940), (20, 2747999), (34, 1616470), (68, 808235), (85, 646588), (109, 504220), (170, 323294), (218, 252110), (340, 161647), (436, 126055), (545, 100844), (1090, 50422), (1483, 37060), (1853, 29660), (2180, 25211), (2966, 18530), (3706, 14830), (5932, 9265), (7412, 7415)]