1340804780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{416399}}^1$

素因数の和:416438

約数の個数: 48

約数和(自身を含む): 3357849600

約数和(自身を除く): 2017044820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 416399, 832798, 1665596, 2081995, 2914793, 4163990, 5829586, 8327980, 9577177, 11659172, 14573965, 19154354, 29147930, 38308708, 47885885, 58295860, 67040239, 95771770, 134080478, 191543540, 268160956, 335201195, 670402390, 1340804780]

約数ペア:

[(1, 1340804780), (2, 670402390), (4, 335201195), (5, 268160956), (7, 191543540), (10, 134080478), (14, 95771770), (20, 67040239), (23, 58295860), (28, 47885885), (35, 38308708), (46, 29147930), (70, 19154354), (92, 14573965), (115, 11659172), (140, 9577177), (161, 8327980), (230, 5829586), (322, 4163990), (460, 2914793), (644, 2081995), (805, 1665596), (1610, 832798), (3220, 416399)]