19016750

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 38301120

約数和(自身を除く): 19284370

約数列:

[1, 2, 5, 10, 25, 29, 43, 50, 58, 61, 86, 122, 125, 145, 215, 250, 290, 305, 430, 610, 725, 1075, 1247, 1450, 1525, 1769, 2150, 2494, 2623, 3050, 3538, 3625, 5246, 5375, 6235, 7250, 7625, 8845, 10750, 12470, 13115, 15250, 17690, 26230, 31175, 44225, 62350, 65575, 76067, 88450, 131150, 152134, 155875, 221125, 311750, 327875, 380335, 442250, 655750, 760670, 1901675, 3803350, 9508375, 19016750]

約数ペア:

[(1, 19016750), (2, 9508375), (5, 3803350), (10, 1901675), (25, 760670), (29, 655750), (43, 442250), (50, 380335), (58, 327875), (61, 311750), (86, 221125), (122, 155875), (125, 152134), (145, 131150), (215, 88450), (250, 76067), (290, 65575), (305, 62350), (430, 44225), (610, 31175), (725, 26230), (1075, 17690), (1247, 15250), (1450, 13115), (1525, 12470), (1769, 10750), (2150, 8845), (2494, 7625), (2623, 7250), (3050, 6235), (3538, 5375), (3625, 5246)]