28999700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{15263}}^1$

素因数の和:15296

約数の個数: 36

約数和(自身を含む): 66245760

約数和(自身を除く): 37246060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 15263, 30526, 61052, 76315, 152630, 289997, 305260, 381575, 579994, 763150, 1159988, 1449985, 1526300, 2899970, 5799940, 7249925, 14499850, 28999700]

約数ペア:

[(1, 28999700), (2, 14499850), (4, 7249925), (5, 5799940), (10, 2899970), (19, 1526300), (20, 1449985), (25, 1159988), (38, 763150), (50, 579994), (76, 381575), (95, 305260), (100, 289997), (190, 152630), (380, 76315), (475, 61052), (950, 30526), (1900, 15263)]