222799750

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 438048000

約数和(自身を除く): 215248250

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 79, 125, 145, 158, 250, 290, 389, 395, 725, 778, 790, 1450, 1945, 1975, 2291, 3625, 3890, 3950, 4582, 7250, 9725, 9875, 11281, 11455, 19450, 19750, 22562, 22910, 30731, 48625, 56405, 57275, 61462, 97250, 112810, 114550, 153655, 282025, 286375, 307310, 564050, 572750, 768275, 891199, 1410125, 1536550, 1782398, 2820250, 3841375, 4455995, 7682750, 8911990, 22279975, 44559950, 111399875, 222799750]

約数ペア:

[(1, 222799750), (2, 111399875), (5, 44559950), (10, 22279975), (25, 8911990), (29, 7682750), (50, 4455995), (58, 3841375), (79, 2820250), (125, 1782398), (145, 1536550), (158, 1410125), (250, 891199), (290, 768275), (389, 572750), (395, 564050), (725, 307310), (778, 286375), (790, 282025), (1450, 153655), (1945, 114550), (1975, 112810), (2291, 97250), (3625, 61462), (3890, 57275), (3950, 56405), (4582, 48625), (7250, 30731), (9725, 22910), (9875, 22562), (11281, 19750), (11455, 19450)]