28181850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{2111}}^1$

素因数の和:2215

約数の個数: 48

約数和(自身を含む): 70709760

約数和(自身を除く): 42527910

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 89, 150, 178, 267, 445, 534, 890, 1335, 2111, 2225, 2670, 4222, 4450, 6333, 6675, 10555, 12666, 13350, 21110, 31665, 52775, 63330, 105550, 158325, 187879, 316650, 375758, 563637, 939395, 1127274, 1878790, 2818185, 4696975, 5636370, 9393950, 14090925, 28181850]

約数ペア:

[(1, 28181850), (2, 14090925), (3, 9393950), (5, 5636370), (6, 4696975), (10, 2818185), (15, 1878790), (25, 1127274), (30, 939395), (50, 563637), (75, 375758), (89, 316650), (150, 187879), (178, 158325), (267, 105550), (445, 63330), (534, 52775), (890, 31665), (1335, 21110), (2111, 13350), (2225, 12666), (2670, 10555), (4222, 6675), (4450, 6333)]