28077930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1399}}^1$

素因数の和:1635

約数の個数: 48

約数和(自身を含む): 73382400

約数和(自身を除く): 45304470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 223, 446, 669, 1115, 1338, 1399, 2007, 2230, 2798, 3345, 4014, 4197, 6690, 6995, 8394, 10035, 12591, 13990, 20070, 20985, 25182, 41970, 62955, 125910, 311977, 623954, 935931, 1559885, 1871862, 2807793, 3119770, 4679655, 5615586, 9359310, 14038965, 28077930]

約数ペア:

[(1, 28077930), (2, 14038965), (3, 9359310), (5, 5615586), (6, 4679655), (9, 3119770), (10, 2807793), (15, 1871862), (18, 1559885), (30, 935931), (45, 623954), (90, 311977), (223, 125910), (446, 62955), (669, 41970), (1115, 25182), (1338, 20985), (1399, 20070), (2007, 13990), (2230, 12591), (2798, 10035), (3345, 8394), (4014, 6995), (4197, 6690)]