83475420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{28393}}^1$

素因数の和:28419

約数の個数: 72

約数和(自身を含む): 271900944

約数和(自身を除く): 188425524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 28393, 56786, 85179, 113572, 141965, 170358, 198751, 283930, 340716, 397502, 425895, 567860, 596253, 795004, 851790, 993755, 1192506, 1391257, 1703580, 1987510, 2385012, 2782514, 2981265, 3975020, 4173771, 5565028, 5962530, 6956285, 8347542, 11925060, 13912570, 16695084, 20868855, 27825140, 41737710, 83475420]

約数ペア:

[(1, 83475420), (2, 41737710), (3, 27825140), (4, 20868855), (5, 16695084), (6, 13912570), (7, 11925060), (10, 8347542), (12, 6956285), (14, 5962530), (15, 5565028), (20, 4173771), (21, 3975020), (28, 2981265), (30, 2782514), (35, 2385012), (42, 1987510), (49, 1703580), (60, 1391257), (70, 1192506), (84, 993755), (98, 851790), (105, 795004), (140, 596253), (147, 567860), (196, 425895), (210, 397502), (245, 340716), (294, 283930), (420, 198751), (490, 170358), (588, 141965), (735, 113572), (980, 85179), (1470, 56786), (2940, 28393)]