217724900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{523}}^1$

素因数の和:741

約数の個数: 72

約数和(自身を含む): 496676544

約数和(自身を除く): 278951644

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 181, 230, 362, 460, 523, 575, 724, 905, 1046, 1150, 1810, 2092, 2300, 2615, 3620, 4163, 4525, 5230, 8326, 9050, 10460, 12029, 13075, 16652, 18100, 20815, 24058, 26150, 41630, 48116, 52300, 60145, 83260, 94663, 104075, 120290, 189326, 208150, 240580, 300725, 378652, 416300, 473315, 601450, 946630, 1202900, 1893260, 2177249, 2366575, 4354498, 4733150, 8708996, 9466300, 10886245, 21772490, 43544980, 54431225, 108862450, 217724900]

約数ペア:

[(1, 217724900), (2, 108862450), (4, 54431225), (5, 43544980), (10, 21772490), (20, 10886245), (23, 9466300), (25, 8708996), (46, 4733150), (50, 4354498), (92, 2366575), (100, 2177249), (115, 1893260), (181, 1202900), (230, 946630), (362, 601450), (460, 473315), (523, 416300), (575, 378652), (724, 300725), (905, 240580), (1046, 208150), (1150, 189326), (1810, 120290), (2092, 104075), (2300, 94663), (2615, 83260), (3620, 60145), (4163, 52300), (4525, 48116), (5230, 41630), (8326, 26150), (9050, 24058), (10460, 20815), (12029, 18100), (13075, 16652)]