89197970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 175824000

約数和(自身を除く): 86626030

約数列:

[1, 2, 5, 10, 19, 38, 59, 73, 95, 109, 118, 146, 190, 218, 295, 365, 545, 590, 730, 1090, 1121, 1387, 2071, 2242, 2774, 4142, 4307, 5605, 6431, 6935, 7957, 8614, 10355, 11210, 12862, 13870, 15914, 20710, 21535, 32155, 39785, 43070, 64310, 79570, 81833, 122189, 151183, 163666, 244378, 302366, 409165, 469463, 610945, 755915, 818330, 938926, 1221890, 1511830, 2347315, 4694630, 8919797, 17839594, 44598985, 89197970]

約数ペア:

[(1, 89197970), (2, 44598985), (5, 17839594), (10, 8919797), (19, 4694630), (38, 2347315), (59, 1511830), (73, 1221890), (95, 938926), (109, 818330), (118, 755915), (146, 610945), (190, 469463), (218, 409165), (295, 302366), (365, 244378), (545, 163666), (590, 151183), (730, 122189), (1090, 81833), (1121, 79570), (1387, 64310), (2071, 43070), (2242, 39785), (2774, 32155), (4142, 21535), (4307, 20710), (5605, 15914), (6431, 13870), (6935, 12862), (7957, 11210), (8614, 10355)]