7136920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 18662400

約数和(自身を除く): 11525480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 359, 497, 568, 710, 718, 994, 1420, 1436, 1795, 1988, 2485, 2513, 2840, 2872, 3590, 3976, 4970, 5026, 7180, 9940, 10052, 12565, 14360, 19880, 20104, 25130, 25489, 50260, 50978, 100520, 101956, 127445, 178423, 203912, 254890, 356846, 509780, 713692, 892115, 1019560, 1427384, 1784230, 3568460, 7136920]

約数ペア:

[(1, 7136920), (2, 3568460), (4, 1784230), (5, 1427384), (7, 1019560), (8, 892115), (10, 713692), (14, 509780), (20, 356846), (28, 254890), (35, 203912), (40, 178423), (56, 127445), (70, 101956), (71, 100520), (140, 50978), (142, 50260), (280, 25489), (284, 25130), (355, 20104), (359, 19880), (497, 14360), (568, 12565), (710, 10052), (718, 9940), (994, 7180), (1420, 5026), (1436, 4970), (1795, 3976), (1988, 3590), (2485, 2872), (2513, 2840)]