30581900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{7459}}^1$

素因数の和:7514

約数の個数: 36

約数和(自身を含む): 67990440

約数和(自身を除く): 37408540

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 7459, 14918, 29836, 37295, 74590, 149180, 186475, 305819, 372950, 611638, 745900, 1223276, 1529095, 3058190, 6116380, 7645475, 15290950, 30581900]

約数ペア:

[(1, 30581900), (2, 15290950), (4, 7645475), (5, 6116380), (10, 3058190), (20, 1529095), (25, 1223276), (41, 745900), (50, 611638), (82, 372950), (100, 305819), (164, 186475), (205, 149180), (410, 74590), (820, 37295), (1025, 29836), (2050, 14918), (4100, 7459)]