28686990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56249}}^1$

素因数の和:56276

約数の個数: 32

約数和(自身を含む): 72900000

約数和(自身を除く): 44213010

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 56249, 112498, 168747, 281245, 337494, 562490, 843735, 956233, 1687470, 1912466, 2868699, 4781165, 5737398, 9562330, 14343495, 28686990]

約数ペア:

[(1, 28686990), (2, 14343495), (3, 9562330), (5, 5737398), (6, 4781165), (10, 2868699), (15, 1912466), (17, 1687470), (30, 956233), (34, 843735), (51, 562490), (85, 337494), (102, 281245), (170, 168747), (255, 112498), (510, 56249)]