212705480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4217}}^1$

素因数の和:4338

約数の個数: 64

約数和(自身を含む): 520838640

約数和(自身を除く): 308133160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 388, 485, 520, 776, 970, 1261, 1940, 2522, 3880, 4217, 5044, 6305, 8434, 10088, 12610, 16868, 21085, 25220, 33736, 42170, 50440, 54821, 84340, 109642, 168680, 219284, 274105, 409049, 438568, 548210, 818098, 1096420, 1636196, 2045245, 2192840, 3272392, 4090490, 5317637, 8180980, 10635274, 16361960, 21270548, 26588185, 42541096, 53176370, 106352740, 212705480]

約数ペア:

[(1, 212705480), (2, 106352740), (4, 53176370), (5, 42541096), (8, 26588185), (10, 21270548), (13, 16361960), (20, 10635274), (26, 8180980), (40, 5317637), (52, 4090490), (65, 3272392), (97, 2192840), (104, 2045245), (130, 1636196), (194, 1096420), (260, 818098), (388, 548210), (485, 438568), (520, 409049), (776, 274105), (970, 219284), (1261, 168680), (1940, 109642), (2522, 84340), (3880, 54821), (4217, 50440), (5044, 42170), (6305, 33736), (8434, 25220), (10088, 21085), (12610, 16868)]