199821720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{237883}}^1$

素因数の和:237904

約数の個数: 64

約数和(自身を含む): 685105920

約数和(自身を除く): 485284200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 237883, 475766, 713649, 951532, 1189415, 1427298, 1665181, 1903064, 2378830, 2854596, 3330362, 3568245, 4757660, 4995543, 5709192, 6660724, 7136490, 8325905, 9515320, 9991086, 13321448, 14272980, 16651810, 19982172, 24977715, 28545960, 33303620, 39964344, 49955430, 66607240, 99910860, 199821720]

約数ペア:

[(1, 199821720), (2, 99910860), (3, 66607240), (4, 49955430), (5, 39964344), (6, 33303620), (7, 28545960), (8, 24977715), (10, 19982172), (12, 16651810), (14, 14272980), (15, 13321448), (20, 9991086), (21, 9515320), (24, 8325905), (28, 7136490), (30, 6660724), (35, 5709192), (40, 4995543), (42, 4757660), (56, 3568245), (60, 3330362), (70, 2854596), (84, 2378830), (105, 1903064), (120, 1665181), (140, 1427298), (168, 1189415), (210, 951532), (280, 713649), (420, 475766), (840, 237883)]