400145796910

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12917}}^1\times {\mathrm{34807}}^1$

素因数の和:47820

約数の個数: 32

約数和(自身を含む): 728432585280

約数和(自身を除く): 328286788370

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 12917, 25834, 34807, 64585, 69614, 129170, 174035, 348070, 1149613, 2299226, 3097823, 5748065, 6195646, 11496130, 15489115, 30978230, 449602019, 899204038, 2248010095, 4496020190, 40014579691, 80029159382, 200072898455, 400145796910]

約数ペア:

[(1, 400145796910), (2, 200072898455), (5, 80029159382), (10, 40014579691), (89, 4496020190), (178, 2248010095), (445, 899204038), (890, 449602019), (12917, 30978230), (25834, 15489115), (34807, 11496130), (64585, 6195646), (69614, 5748065), (129170, 3097823), (174035, 2299226), (348070, 1149613)]