400750225

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{2003}}^1$

素因数の和:2217

約数の個数: 24

約数和(自身を含む): 509913792

約数和(自身を除く): 109163567

約数列:

[1, 5, 25, 53, 151, 265, 755, 1325, 2003, 3775, 8003, 10015, 40015, 50075, 106159, 200075, 302453, 530795, 1512265, 2653975, 7561325, 16030009, 80150045, 400750225]

約数ペア:

[(1, 400750225), (5, 80150045), (25, 16030009), (53, 7561325), (151, 2653975), (265, 1512265), (755, 530795), (1325, 302453), (2003, 200075), (3775, 106159), (8003, 50075), (10015, 40015)]