2691990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{4273}}^1$

素因数の和:4293

約数の個数: 48

約数和(自身を含む): 8000928

約数和(自身を除く): 5308938

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 4273, 8546, 12819, 21365, 25638, 29911, 38457, 42730, 59822, 64095, 76914, 89733, 128190, 149555, 179466, 192285, 269199, 299110, 384570, 448665, 538398, 897330, 1345995, 2691990]

約数ペア:

[(1, 2691990), (2, 1345995), (3, 897330), (5, 538398), (6, 448665), (7, 384570), (9, 299110), (10, 269199), (14, 192285), (15, 179466), (18, 149555), (21, 128190), (30, 89733), (35, 76914), (42, 64095), (45, 59822), (63, 42730), (70, 38457), (90, 29911), (105, 25638), (126, 21365), (210, 12819), (315, 8546), (630, 4273)]