202222225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 283910400

約数和(自身を除く): 81688175

約数列:

[1, 5, 17, 19, 25, 79, 85, 95, 317, 323, 395, 425, 475, 1343, 1501, 1585, 1615, 1975, 5389, 6023, 6715, 7505, 7925, 8075, 25043, 25517, 26945, 30115, 33575, 37525, 102391, 125215, 127585, 134725, 150575, 425731, 475817, 511955, 626075, 637925, 2128655, 2379085, 2559775, 8088889, 10643275, 11895425, 40444445, 202222225]

約数ペア:

[(1, 202222225), (5, 40444445), (17, 11895425), (19, 10643275), (25, 8088889), (79, 2559775), (85, 2379085), (95, 2128655), (317, 637925), (323, 626075), (395, 511955), (425, 475817), (475, 425731), (1343, 150575), (1501, 134725), (1585, 127585), (1615, 125215), (1975, 102391), (5389, 37525), (6023, 33575), (6715, 30115), (7505, 26945), (7925, 25517), (8075, 25043)]