28991700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{32213}}^1$

素因数の和:32233

約数の個数: 54

約数和(自身を含む): 90875694

約数和(自身を除く): 61883994

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 32213, 64426, 96639, 128852, 161065, 193278, 289917, 322130, 386556, 483195, 579834, 644260, 805325, 966390, 1159668, 1449585, 1610650, 1932780, 2415975, 2899170, 3221300, 4831950, 5798340, 7247925, 9663900, 14495850, 28991700]

約数ペア:

[(1, 28991700), (2, 14495850), (3, 9663900), (4, 7247925), (5, 5798340), (6, 4831950), (9, 3221300), (10, 2899170), (12, 2415975), (15, 1932780), (18, 1610650), (20, 1449585), (25, 1159668), (30, 966390), (36, 805325), (45, 644260), (50, 579834), (60, 483195), (75, 386556), (90, 322130), (100, 289917), (150, 193278), (180, 161065), (225, 128852), (300, 96639), (450, 64426), (900, 32213)]