215512250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{769}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 432432000

約数和(自身を除く): 216919750

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 59, 95, 118, 125, 190, 250, 295, 475, 590, 769, 950, 1121, 1475, 1538, 2242, 2375, 2950, 3845, 4750, 5605, 7375, 7690, 11210, 14611, 14750, 19225, 28025, 29222, 38450, 45371, 56050, 73055, 90742, 96125, 140125, 146110, 192250, 226855, 280250, 365275, 453710, 730550, 862049, 1134275, 1724098, 1826375, 2268550, 3652750, 4310245, 5671375, 8620490, 11342750, 21551225, 43102450, 107756125, 215512250]

約数ペア:

[(1, 215512250), (2, 107756125), (5, 43102450), (10, 21551225), (19, 11342750), (25, 8620490), (38, 5671375), (50, 4310245), (59, 3652750), (95, 2268550), (118, 1826375), (125, 1724098), (190, 1134275), (250, 862049), (295, 730550), (475, 453710), (590, 365275), (769, 280250), (950, 226855), (1121, 192250), (1475, 146110), (1538, 140125), (2242, 96125), (2375, 90742), (2950, 73055), (3845, 56050), (4750, 45371), (5605, 38450), (7375, 29222), (7690, 28025), (11210, 19225), (14611, 14750)]