1990530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1301}}^1$

素因数の和:1331

約数の個数: 48

約数和(自身を含む): 5484024

約数和(自身を除く): 3493494

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1301, 1530, 2602, 3903, 6505, 7806, 11709, 13010, 19515, 22117, 23418, 39030, 44234, 58545, 66351, 110585, 117090, 132702, 199053, 221170, 331755, 398106, 663510, 995265, 1990530]

約数ペア:

[(1, 1990530), (2, 995265), (3, 663510), (5, 398106), (6, 331755), (9, 221170), (10, 199053), (15, 132702), (17, 117090), (18, 110585), (30, 66351), (34, 58545), (45, 44234), (51, 39030), (85, 23418), (90, 22117), (102, 19515), (153, 13010), (170, 11709), (255, 7806), (306, 6505), (510, 3903), (765, 2602), (1301, 1530)]