388775100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{185131}}^1$

素因数の和:185155

約数の個数: 72

約数和(自身を含む): 1285556608

約数和(自身を除く): 896781508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 185131, 370262, 555393, 740524, 925655, 1110786, 1295917, 1851310, 2221572, 2591834, 2776965, 3702620, 3887751, 4628275, 5183668, 5553930, 6479585, 7775502, 9256550, 11107860, 12959170, 13884825, 15551004, 18513100, 19438755, 25918340, 27769650, 32397925, 38877510, 55539300, 64795850, 77755020, 97193775, 129591700, 194387550, 388775100]

約数ペア:

[(1, 388775100), (2, 194387550), (3, 129591700), (4, 97193775), (5, 77755020), (6, 64795850), (7, 55539300), (10, 38877510), (12, 32397925), (14, 27769650), (15, 25918340), (20, 19438755), (21, 18513100), (25, 15551004), (28, 13884825), (30, 12959170), (35, 11107860), (42, 9256550), (50, 7775502), (60, 6479585), (70, 5553930), (75, 5183668), (84, 4628275), (100, 3887751), (105, 3702620), (140, 2776965), (150, 2591834), (175, 2221572), (210, 1851310), (300, 1295917), (350, 1110786), (420, 925655), (525, 740524), (700, 555393), (1050, 370262), (2100, 185131)]