215394448

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 457113600

約数和(自身を除く): 241719152

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 79, 92, 124, 158, 184, 239, 248, 316, 368, 478, 496, 632, 713, 956, 1264, 1426, 1817, 1912, 2449, 2852, 3634, 3824, 4898, 5497, 5704, 7268, 7409, 9796, 10994, 11408, 14536, 14818, 18881, 19592, 21988, 29072, 29636, 37762, 39184, 43976, 56327, 59272, 75524, 87952, 112654, 118544, 151048, 170407, 225308, 302096, 340814, 434263, 450616, 585311, 681628, 868526, 901232, 1170622, 1363256, 1737052, 2341244, 2726512, 3474104, 4682488, 6948208, 9364976, 13462153, 26924306, 53848612, 107697224, 215394448]

約数ペア:

[(1, 215394448), (2, 107697224), (4, 53848612), (8, 26924306), (16, 13462153), (23, 9364976), (31, 6948208), (46, 4682488), (62, 3474104), (79, 2726512), (92, 2341244), (124, 1737052), (158, 1363256), (184, 1170622), (239, 901232), (248, 868526), (316, 681628), (368, 585311), (478, 450616), (496, 434263), (632, 340814), (713, 302096), (956, 225308), (1264, 170407), (1426, 151048), (1817, 118544), (1912, 112654), (2449, 87952), (2852, 75524), (3634, 59272), (3824, 56327), (4898, 43976), (5497, 39184), (5704, 37762), (7268, 29636), (7409, 29072), (9796, 21988), (10994, 19592), (11408, 18881), (14536, 14818)]