18935476700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{39839}}^1$

素因数の和:39964

約数の個数: 108

約数和(自身を含む): 48292534080

約数和(自身を除く): 29357057380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 97, 98, 100, 140, 175, 194, 196, 245, 350, 388, 485, 490, 679, 700, 970, 980, 1225, 1358, 1940, 2425, 2450, 2716, 3395, 4753, 4850, 4900, 6790, 9506, 9700, 13580, 16975, 19012, 23765, 33950, 39839, 47530, 67900, 79678, 95060, 118825, 159356, 199195, 237650, 278873, 398390, 475300, 557746, 796780, 995975, 1115492, 1394365, 1952111, 1991950, 2788730, 3864383, 3904222, 3983900, 5577460, 6971825, 7728766, 7808444, 9760555, 13943650, 15457532, 19321915, 19521110, 27050681, 27887300, 38643830, 39042220, 48802775, 54101362, 77287660, 96609575, 97605550, 108202724, 135253405, 189354767, 193219150, 195211100, 270506810, 378709534, 386438300, 541013620, 676267025, 757419068, 946773835, 1352534050, 1893547670, 2705068100, 3787095340, 4733869175, 9467738350, 18935476700]

約数ペア:

[(1, 18935476700), (2, 9467738350), (4, 4733869175), (5, 3787095340), (7, 2705068100), (10, 1893547670), (14, 1352534050), (20, 946773835), (25, 757419068), (28, 676267025), (35, 541013620), (49, 386438300), (50, 378709534), (70, 270506810), (97, 195211100), (98, 193219150), (100, 189354767), (140, 135253405), (175, 108202724), (194, 97605550), (196, 96609575), (245, 77287660), (350, 54101362), (388, 48802775), (485, 39042220), (490, 38643830), (679, 27887300), (700, 27050681), (970, 19521110), (980, 19321915), (1225, 15457532), (1358, 13943650), (1940, 9760555), (2425, 7808444), (2450, 7728766), (2716, 6971825), (3395, 5577460), (4753, 3983900), (4850, 3904222), (4900, 3864383), (6790, 2788730), (9506, 1991950), (9700, 1952111), (13580, 1394365), (16975, 1115492), (19012, 995975), (23765, 796780), (33950, 557746), (39839, 475300), (47530, 398390), (67900, 278873), (79678, 237650), (95060, 199195), (118825, 159356)]