201042100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:578

約数の個数: 108

約数和(自身を含む): 514303020

約数和(自身を除く): 313260920

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 89, 98, 100, 140, 175, 178, 196, 245, 350, 356, 445, 461, 490, 623, 700, 890, 922, 980, 1225, 1246, 1780, 1844, 2225, 2305, 2450, 2492, 3115, 3227, 4361, 4450, 4610, 4900, 6230, 6454, 8722, 8900, 9220, 11525, 12460, 12908, 15575, 16135, 17444, 21805, 22589, 23050, 31150, 32270, 41029, 43610, 45178, 46100, 62300, 64540, 80675, 82058, 87220, 90356, 109025, 112945, 161350, 164116, 205145, 218050, 225890, 287203, 322700, 410290, 436100, 451780, 564725, 574406, 820580, 1025725, 1129450, 1148812, 1436015, 2010421, 2051450, 2258900, 2872030, 4020842, 4102900, 5744060, 7180075, 8041684, 10052105, 14360150, 20104210, 28720300, 40208420, 50260525, 100521050, 201042100]

約数ペア:

[(1, 201042100), (2, 100521050), (4, 50260525), (5, 40208420), (7, 28720300), (10, 20104210), (14, 14360150), (20, 10052105), (25, 8041684), (28, 7180075), (35, 5744060), (49, 4102900), (50, 4020842), (70, 2872030), (89, 2258900), (98, 2051450), (100, 2010421), (140, 1436015), (175, 1148812), (178, 1129450), (196, 1025725), (245, 820580), (350, 574406), (356, 564725), (445, 451780), (461, 436100), (490, 410290), (623, 322700), (700, 287203), (890, 225890), (922, 218050), (980, 205145), (1225, 164116), (1246, 161350), (1780, 112945), (1844, 109025), (2225, 90356), (2305, 87220), (2450, 82058), (2492, 80675), (3115, 64540), (3227, 62300), (4361, 46100), (4450, 45178), (4610, 43610), (4900, 41029), (6230, 32270), (6454, 31150), (8722, 23050), (8900, 22589), (9220, 21805), (11525, 17444), (12460, 16135), (12908, 15575)]