30925825

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 47139840

約数和(自身を除く): 16214015

約数列:

[1, 5, 7, 19, 25, 35, 71, 95, 131, 133, 175, 355, 475, 497, 655, 665, 917, 1349, 1775, 2485, 2489, 3275, 3325, 4585, 6745, 9301, 9443, 12425, 12445, 17423, 22925, 33725, 46505, 47215, 62225, 65107, 87115, 176719, 232525, 236075, 325535, 435575, 883595, 1237033, 1627675, 4417975, 6185165, 30925825]

約数ペア:

[(1, 30925825), (5, 6185165), (7, 4417975), (19, 1627675), (25, 1237033), (35, 883595), (71, 435575), (95, 325535), (131, 236075), (133, 232525), (175, 176719), (355, 87115), (475, 65107), (497, 62225), (655, 47215), (665, 46505), (917, 33725), (1349, 22925), (1775, 17423), (2485, 12445), (2489, 12425), (3275, 9443), (3325, 9301), (4585, 6745)]