1681990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 32

約数和(自身を含む): 3234816

約数和(自身を除く): 1552826

約数列:

[1, 2, 5, 10, 23, 46, 71, 103, 115, 142, 206, 230, 355, 515, 710, 1030, 1633, 2369, 3266, 4738, 7313, 8165, 11845, 14626, 16330, 23690, 36565, 73130, 168199, 336398, 840995, 1681990]

約数ペア:

[(1, 1681990), (2, 840995), (5, 336398), (10, 168199), (23, 73130), (46, 36565), (71, 23690), (103, 16330), (115, 14626), (142, 11845), (206, 8165), (230, 7313), (355, 4738), (515, 3266), (710, 2369), (1030, 1633)]