1978991550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{231461}}^1$

素因数の和:231498

約数の個数: 72

約数和(自身を含む): 5596751160

約数和(自身を除く): 3617759610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 90, 95, 114, 150, 171, 190, 225, 285, 342, 450, 475, 570, 855, 950, 1425, 1710, 2850, 4275, 8550, 231461, 462922, 694383, 1157305, 1388766, 2083149, 2314610, 3471915, 4166298, 4397759, 5786525, 6943830, 8795518, 10415745, 11573050, 13193277, 17359575, 20831490, 21988795, 26386554, 34719150, 39579831, 43977590, 52078725, 65966385, 79159662, 104157450, 109943975, 131932770, 197899155, 219887950, 329831925, 395798310, 659663850, 989495775, 1978991550]

約数ペア:

[(1, 1978991550), (2, 989495775), (3, 659663850), (5, 395798310), (6, 329831925), (9, 219887950), (10, 197899155), (15, 131932770), (18, 109943975), (19, 104157450), (25, 79159662), (30, 65966385), (38, 52078725), (45, 43977590), (50, 39579831), (57, 34719150), (75, 26386554), (90, 21988795), (95, 20831490), (114, 17359575), (150, 13193277), (171, 11573050), (190, 10415745), (225, 8795518), (285, 6943830), (342, 5786525), (450, 4397759), (475, 4166298), (570, 3471915), (855, 2314610), (950, 2083149), (1425, 1388766), (1710, 1157305), (2850, 694383), (4275, 462922), (8550, 231461)]