1990650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{577}}^1$

素因数の和:615

約数の個数: 48

約数和(自身を含む): 5160384

約数和(自身を除く): 3169734

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 138, 150, 230, 345, 575, 577, 690, 1150, 1154, 1725, 1731, 2885, 3450, 3462, 5770, 8655, 13271, 14425, 17310, 26542, 28850, 39813, 43275, 66355, 79626, 86550, 132710, 199065, 331775, 398130, 663550, 995325, 1990650]

約数ペア:

[(1, 1990650), (2, 995325), (3, 663550), (5, 398130), (6, 331775), (10, 199065), (15, 132710), (23, 86550), (25, 79626), (30, 66355), (46, 43275), (50, 39813), (69, 28850), (75, 26542), (115, 17310), (138, 14425), (150, 13271), (230, 8655), (345, 5770), (575, 3462), (577, 3450), (690, 2885), (1150, 1731), (1154, 1725)]