86900870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{293}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 189665280

約数和(自身を除く): 102764410

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 223, 266, 293, 446, 586, 665, 1115, 1330, 1465, 1561, 2051, 2230, 2930, 3122, 4102, 4237, 5567, 7805, 8474, 10255, 11134, 15610, 20510, 21185, 27835, 29659, 38969, 42370, 55670, 59318, 65339, 77938, 130678, 148295, 194845, 296590, 326695, 389690, 457373, 653390, 914746, 1241441, 2286865, 2482882, 4573730, 6207205, 8690087, 12414410, 17380174, 43450435, 86900870]

約数ペア:

[(1, 86900870), (2, 43450435), (5, 17380174), (7, 12414410), (10, 8690087), (14, 6207205), (19, 4573730), (35, 2482882), (38, 2286865), (70, 1241441), (95, 914746), (133, 653390), (190, 457373), (223, 389690), (266, 326695), (293, 296590), (446, 194845), (586, 148295), (665, 130678), (1115, 77938), (1330, 65339), (1465, 59318), (1561, 55670), (2051, 42370), (2230, 38969), (2930, 29659), (3122, 27835), (4102, 21185), (4237, 20510), (5567, 15610), (7805, 11134), (8474, 10255)]