81201400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1925

約数の個数: 96

約数和(自身を含む): 222842880

約数和(自身を除く): 141641480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 100, 124, 140, 155, 175, 200, 217, 248, 280, 310, 350, 434, 620, 700, 775, 868, 1085, 1240, 1400, 1550, 1736, 1871, 2170, 3100, 3742, 4340, 5425, 6200, 7484, 8680, 9355, 10850, 13097, 14968, 18710, 21700, 26194, 37420, 43400, 46775, 52388, 58001, 65485, 74840, 93550, 104776, 116002, 130970, 187100, 232004, 261940, 290005, 327425, 374200, 406007, 464008, 523880, 580010, 654850, 812014, 1160020, 1309700, 1450025, 1624028, 2030035, 2320040, 2619400, 2900050, 3248056, 4060070, 5800100, 8120140, 10150175, 11600200, 16240280, 20300350, 40600700, 81201400]

約数ペア:

[(1, 81201400), (2, 40600700), (4, 20300350), (5, 16240280), (7, 11600200), (8, 10150175), (10, 8120140), (14, 5800100), (20, 4060070), (25, 3248056), (28, 2900050), (31, 2619400), (35, 2320040), (40, 2030035), (50, 1624028), (56, 1450025), (62, 1309700), (70, 1160020), (100, 812014), (124, 654850), (140, 580010), (155, 523880), (175, 464008), (200, 406007), (217, 374200), (248, 327425), (280, 290005), (310, 261940), (350, 232004), (434, 187100), (620, 130970), (700, 116002), (775, 104776), (868, 93550), (1085, 74840), (1240, 65485), (1400, 58001), (1550, 52388), (1736, 46775), (1871, 43400), (2170, 37420), (3100, 26194), (3742, 21700), (4340, 18710), (5425, 14968), (6200, 13097), (7484, 10850), (8680, 9355)]