290613925

素因数分解:

$5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 426401280

約数和(自身を除く): 135787355

約数列:

[1, 5, 7, 25, 35, 47, 89, 175, 235, 329, 397, 445, 623, 1175, 1645, 1985, 2225, 2779, 3115, 4183, 8225, 9925, 13895, 15575, 18659, 20915, 29281, 35333, 69475, 93295, 104575, 130613, 146405, 176665, 247331, 466475, 653065, 732025, 883325, 1236655, 1660651, 3265325, 6183275, 8303255, 11624557, 41516275, 58122785, 290613925]

約数ペア:

[(1, 290613925), (5, 58122785), (7, 41516275), (25, 11624557), (35, 8303255), (47, 6183275), (89, 3265325), (175, 1660651), (235, 1236655), (329, 883325), (397, 732025), (445, 653065), (623, 466475), (1175, 247331), (1645, 176665), (1985, 146405), (2225, 130613), (2779, 104575), (3115, 93295), (4183, 69475), (8225, 35333), (9925, 29281), (13895, 20915), (15575, 18659)]