201478660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:493

約数の個数: 96

約数和(自身を含む): 471744000

約数和(自身を除く): 270265340

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 47, 58, 76, 94, 95, 116, 145, 188, 190, 235, 290, 380, 389, 470, 551, 580, 778, 893, 940, 1102, 1363, 1556, 1786, 1945, 2204, 2726, 2755, 3572, 3890, 4465, 5452, 5510, 6815, 7391, 7780, 8930, 11020, 11281, 13630, 14782, 17860, 18283, 22562, 25897, 27260, 29564, 36566, 36955, 45124, 51794, 56405, 73132, 73910, 91415, 103588, 112810, 129485, 147820, 182830, 214339, 225620, 258970, 347377, 365660, 428678, 517940, 530207, 694754, 857356, 1060414, 1071695, 1389508, 1736885, 2120828, 2143390, 2651035, 3473770, 4286780, 5302070, 6947540, 10073933, 10604140, 20147866, 40295732, 50369665, 100739330, 201478660]

約数ペア:

[(1, 201478660), (2, 100739330), (4, 50369665), (5, 40295732), (10, 20147866), (19, 10604140), (20, 10073933), (29, 6947540), (38, 5302070), (47, 4286780), (58, 3473770), (76, 2651035), (94, 2143390), (95, 2120828), (116, 1736885), (145, 1389508), (188, 1071695), (190, 1060414), (235, 857356), (290, 694754), (380, 530207), (389, 517940), (470, 428678), (551, 365660), (580, 347377), (778, 258970), (893, 225620), (940, 214339), (1102, 182830), (1363, 147820), (1556, 129485), (1786, 112810), (1945, 103588), (2204, 91415), (2726, 73910), (2755, 73132), (3572, 56405), (3890, 51794), (4465, 45124), (5452, 36955), (5510, 36566), (6815, 29564), (7391, 27260), (7780, 25897), (8930, 22562), (11020, 18283), (11281, 17860), (13630, 14782)]