201808390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1117}}^1$

素因数の和:1249

約数の個数: 64

約数和(自身を含む): 434678400

約数和(自身を除く): 232870010

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 89, 145, 178, 203, 290, 406, 445, 623, 890, 1015, 1117, 1246, 2030, 2234, 2581, 3115, 5162, 5585, 6230, 7819, 11170, 12905, 15638, 18067, 25810, 32393, 36134, 39095, 64786, 78190, 90335, 99413, 161965, 180670, 198826, 226751, 323930, 453502, 497065, 695891, 994130, 1133755, 1391782, 2267510, 2882977, 3479455, 5765954, 6958910, 14414885, 20180839, 28829770, 40361678, 100904195, 201808390]

約数ペア:

[(1, 201808390), (2, 100904195), (5, 40361678), (7, 28829770), (10, 20180839), (14, 14414885), (29, 6958910), (35, 5765954), (58, 3479455), (70, 2882977), (89, 2267510), (145, 1391782), (178, 1133755), (203, 994130), (290, 695891), (406, 497065), (445, 453502), (623, 323930), (890, 226751), (1015, 198826), (1117, 180670), (1246, 161965), (2030, 99413), (2234, 90335), (2581, 78190), (3115, 64786), (5162, 39095), (5585, 36134), (6230, 32393), (7819, 25810), (11170, 18067), (12905, 15638)]