420156800

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{18757}}^1$

素因数の和:18788

約数の個数: 96

約数和(自身を含む): 1186255920

約数和(自身を除く): 766099120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 640, 700, 800, 896, 1120, 1400, 1600, 2240, 2800, 3200, 4480, 5600, 11200, 18757, 22400, 37514, 75028, 93785, 131299, 150056, 187570, 262598, 300112, 375140, 468925, 525196, 600224, 656495, 750280, 937850, 1050392, 1200448, 1312990, 1500560, 1875700, 2100784, 2400896, 2625980, 3001120, 3282475, 3751400, 4201568, 5251960, 6002240, 6564950, 7502800, 8403136, 10503920, 12004480, 13129900, 15005600, 16806272, 21007840, 26259800, 30011200, 42015680, 52519600, 60022400, 84031360, 105039200, 210078400, 420156800]

約数ペア:

[(1, 420156800), (2, 210078400), (4, 105039200), (5, 84031360), (7, 60022400), (8, 52519600), (10, 42015680), (14, 30011200), (16, 26259800), (20, 21007840), (25, 16806272), (28, 15005600), (32, 13129900), (35, 12004480), (40, 10503920), (50, 8403136), (56, 7502800), (64, 6564950), (70, 6002240), (80, 5251960), (100, 4201568), (112, 3751400), (128, 3282475), (140, 3001120), (160, 2625980), (175, 2400896), (200, 2100784), (224, 1875700), (280, 1500560), (320, 1312990), (350, 1200448), (400, 1050392), (448, 937850), (560, 750280), (640, 656495), (700, 600224), (800, 525196), (896, 468925), (1120, 375140), (1400, 300112), (1600, 262598), (2240, 187570), (2800, 150056), (3200, 131299), (4480, 93785), (5600, 75028), (11200, 37514), (18757, 22400)]