9897990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 25436160

約数和(自身を除く): 15538170

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 31, 58, 62, 87, 93, 145, 155, 174, 186, 290, 310, 367, 435, 465, 734, 870, 899, 930, 1101, 1798, 1835, 2202, 2697, 3670, 4495, 5394, 5505, 8990, 10643, 11010, 11377, 13485, 21286, 22754, 26970, 31929, 34131, 53215, 56885, 63858, 68262, 106430, 113770, 159645, 170655, 319290, 329933, 341310, 659866, 989799, 1649665, 1979598, 3299330, 4948995, 9897990]

約数ペア:

[(1, 9897990), (2, 4948995), (3, 3299330), (5, 1979598), (6, 1649665), (10, 989799), (15, 659866), (29, 341310), (30, 329933), (31, 319290), (58, 170655), (62, 159645), (87, 113770), (93, 106430), (145, 68262), (155, 63858), (174, 56885), (186, 53215), (290, 34131), (310, 31929), (367, 26970), (435, 22754), (465, 21286), (734, 13485), (870, 11377), (899, 11010), (930, 10643), (1101, 8990), (1798, 5505), (1835, 5394), (2202, 4495), (2697, 3670)]