19955400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:519

約数の個数: 96

約数和(自身を含む): 62793600

約数和(自身を除く): 42838200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 79, 100, 120, 150, 158, 200, 237, 300, 316, 395, 421, 474, 600, 632, 790, 842, 948, 1185, 1263, 1580, 1684, 1896, 1975, 2105, 2370, 2526, 3160, 3368, 3950, 4210, 4740, 5052, 5925, 6315, 7900, 8420, 9480, 10104, 10525, 11850, 12630, 15800, 16840, 21050, 23700, 25260, 31575, 33259, 42100, 47400, 50520, 63150, 66518, 84200, 99777, 126300, 133036, 166295, 199554, 252600, 266072, 332590, 399108, 498885, 665180, 798216, 831475, 997770, 1330360, 1662950, 1995540, 2494425, 3325900, 3991080, 4988850, 6651800, 9977700, 19955400]

約数ペア:

[(1, 19955400), (2, 9977700), (3, 6651800), (4, 4988850), (5, 3991080), (6, 3325900), (8, 2494425), (10, 1995540), (12, 1662950), (15, 1330360), (20, 997770), (24, 831475), (25, 798216), (30, 665180), (40, 498885), (50, 399108), (60, 332590), (75, 266072), (79, 252600), (100, 199554), (120, 166295), (150, 133036), (158, 126300), (200, 99777), (237, 84200), (300, 66518), (316, 63150), (395, 50520), (421, 47400), (474, 42100), (600, 33259), (632, 31575), (790, 25260), (842, 23700), (948, 21050), (1185, 16840), (1263, 15800), (1580, 12630), (1684, 11850), (1896, 10525), (1975, 10104), (2105, 9480), (2370, 8420), (2526, 7900), (3160, 6315), (3368, 5925), (3950, 5052), (4210, 4740)]