4433980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 9797760

約数和(自身を除く): 5363780

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 89, 94, 106, 178, 188, 212, 235, 265, 356, 445, 470, 530, 890, 940, 1060, 1780, 2491, 4183, 4717, 4982, 8366, 9434, 9964, 12455, 16732, 18868, 20915, 23585, 24910, 41830, 47170, 49820, 83660, 94340, 221699, 443398, 886796, 1108495, 2216990, 4433980]

約数ペア:

[(1, 4433980), (2, 2216990), (4, 1108495), (5, 886796), (10, 443398), (20, 221699), (47, 94340), (53, 83660), (89, 49820), (94, 47170), (106, 41830), (178, 24910), (188, 23585), (212, 20915), (235, 18868), (265, 16732), (356, 12455), (445, 9964), (470, 9434), (530, 8366), (890, 4982), (940, 4717), (1060, 4183), (1780, 2491)]