31712380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7307}}^1$

素因数の和:7354

約数の個数: 48

約数和(自身を含む): 78575616

約数和(自身を除く): 46863236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 7307, 14614, 29228, 36535, 51149, 73070, 102298, 146140, 204596, 226517, 255745, 453034, 511490, 906068, 1022980, 1132585, 1585619, 2265170, 3171238, 4530340, 6342476, 7928095, 15856190, 31712380]

約数ペア:

[(1, 31712380), (2, 15856190), (4, 7928095), (5, 6342476), (7, 4530340), (10, 3171238), (14, 2265170), (20, 1585619), (28, 1132585), (31, 1022980), (35, 906068), (62, 511490), (70, 453034), (124, 255745), (140, 226517), (155, 204596), (217, 146140), (310, 102298), (434, 73070), (620, 51149), (868, 36535), (1085, 29228), (2170, 14614), (4340, 7307)]