190010020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{1033}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 423683568

約数和(自身を除く): 233673548

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 541, 1033, 1082, 2066, 2164, 2705, 4132, 5165, 5410, 9197, 10330, 10820, 17561, 18394, 20660, 35122, 36788, 45985, 70244, 87805, 91970, 175610, 183940, 351220, 558853, 1117706, 2235412, 2794265, 5588530, 9500501, 11177060, 19001002, 38002004, 47502505, 95005010, 190010020]

約数ペア:

[(1, 190010020), (2, 95005010), (4, 47502505), (5, 38002004), (10, 19001002), (17, 11177060), (20, 9500501), (34, 5588530), (68, 2794265), (85, 2235412), (170, 1117706), (340, 558853), (541, 351220), (1033, 183940), (1082, 175610), (2066, 91970), (2164, 87805), (2705, 70244), (4132, 45985), (5165, 36788), (5410, 35122), (9197, 20660), (10330, 18394), (10820, 17561)]