202155280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{607}}^1$

素因数の和:824

約数の個数: 80

約数和(自身を含む): 493968384

約数和(自身を除く): 291813104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 181, 184, 230, 362, 368, 460, 607, 724, 905, 920, 1214, 1448, 1810, 1840, 2428, 2896, 3035, 3620, 4163, 4856, 6070, 7240, 8326, 9712, 12140, 13961, 14480, 16652, 20815, 24280, 27922, 33304, 41630, 48560, 55844, 66608, 69805, 83260, 109867, 111688, 139610, 166520, 219734, 223376, 279220, 333040, 439468, 549335, 558440, 878936, 1098670, 1116880, 1757872, 2197340, 2526941, 4394680, 5053882, 8789360, 10107764, 12634705, 20215528, 25269410, 40431056, 50538820, 101077640, 202155280]

約数ペア:

[(1, 202155280), (2, 101077640), (4, 50538820), (5, 40431056), (8, 25269410), (10, 20215528), (16, 12634705), (20, 10107764), (23, 8789360), (40, 5053882), (46, 4394680), (80, 2526941), (92, 2197340), (115, 1757872), (181, 1116880), (184, 1098670), (230, 878936), (362, 558440), (368, 549335), (460, 439468), (607, 333040), (724, 279220), (905, 223376), (920, 219734), (1214, 166520), (1448, 139610), (1810, 111688), (1840, 109867), (2428, 83260), (2896, 69805), (3035, 66608), (3620, 55844), (4163, 48560), (4856, 41630), (6070, 33304), (7240, 27922), (8326, 24280), (9712, 20815), (12140, 16652), (13961, 14480)]