222569420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{6581}}^1$

素因数の和:6698

約数の個数: 48

約数和(自身を含む): 497599200

約数和(自身を除く): 275029780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6581, 6764, 8455, 13162, 16910, 26324, 32905, 33820, 65810, 125039, 131620, 250078, 500156, 585709, 625195, 1171418, 1250390, 2342836, 2500780, 2928545, 5857090, 11128471, 11714180, 22256942, 44513884, 55642355, 111284710, 222569420]

約数ペア:

[(1, 222569420), (2, 111284710), (4, 55642355), (5, 44513884), (10, 22256942), (19, 11714180), (20, 11128471), (38, 5857090), (76, 2928545), (89, 2500780), (95, 2342836), (178, 1250390), (190, 1171418), (356, 625195), (380, 585709), (445, 500156), (890, 250078), (1691, 131620), (1780, 125039), (3382, 65810), (6581, 33820), (6764, 32905), (8455, 26324), (13162, 16910)]