218569400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{22303}}^1$

素因数の和:22333

約数の個数: 72

約数和(自身を含む): 591167520

約数和(自身を除く): 372598120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 9800, 22303, 44606, 89212, 111515, 156121, 178424, 223030, 312242, 446060, 557575, 624484, 780605, 892120, 1092847, 1115150, 1248968, 1561210, 2185694, 2230300, 3122420, 3903025, 4371388, 4460600, 5464235, 6244840, 7806050, 8742776, 10928470, 15612100, 21856940, 27321175, 31224200, 43713880, 54642350, 109284700, 218569400]

約数ペア:

[(1, 218569400), (2, 109284700), (4, 54642350), (5, 43713880), (7, 31224200), (8, 27321175), (10, 21856940), (14, 15612100), (20, 10928470), (25, 8742776), (28, 7806050), (35, 6244840), (40, 5464235), (49, 4460600), (50, 4371388), (56, 3903025), (70, 3122420), (98, 2230300), (100, 2185694), (140, 1561210), (175, 1248968), (196, 1115150), (200, 1092847), (245, 892120), (280, 780605), (350, 624484), (392, 557575), (490, 446060), (700, 312242), (980, 223030), (1225, 178424), (1400, 156121), (1960, 111515), (2450, 89212), (4900, 44606), (9800, 22303)]