28705250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 62899200

約数和(自身を除く): 34193950

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 47, 50, 70, 94, 125, 175, 235, 250, 329, 349, 350, 470, 658, 698, 875, 1175, 1645, 1745, 1750, 2350, 2443, 3290, 3490, 4886, 5875, 8225, 8725, 11750, 12215, 16403, 16450, 17450, 24430, 32806, 41125, 43625, 61075, 82015, 82250, 87250, 114821, 122150, 164030, 229642, 305375, 410075, 574105, 610750, 820150, 1148210, 2050375, 2870525, 4100750, 5741050, 14352625, 28705250]

約数ペア:

[(1, 28705250), (2, 14352625), (5, 5741050), (7, 4100750), (10, 2870525), (14, 2050375), (25, 1148210), (35, 820150), (47, 610750), (50, 574105), (70, 410075), (94, 305375), (125, 229642), (175, 164030), (235, 122150), (250, 114821), (329, 87250), (349, 82250), (350, 82015), (470, 61075), (658, 43625), (698, 41125), (875, 32806), (1175, 24430), (1645, 17450), (1745, 16450), (1750, 16403), (2350, 12215), (2443, 11750), (3290, 8725), (3490, 8225), (4886, 5875)]