945561820

素因数分解:

$2^2\times 5^1\times 7^5\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 2421195840

約数和(自身を除く): 1475634020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 97, 98, 116, 140, 145, 194, 196, 203, 245, 290, 343, 388, 406, 485, 490, 580, 679, 686, 812, 970, 980, 1015, 1358, 1372, 1421, 1715, 1940, 2030, 2401, 2716, 2813, 2842, 3395, 3430, 4060, 4753, 4802, 5626, 5684, 6790, 6860, 7105, 9506, 9604, 9947, 11252, 12005, 13580, 14065, 14210, 16807, 19012, 19691, 19894, 23765, 24010, 28130, 28420, 33271, 33614, 39382, 39788, 47530, 48020, 49735, 56260, 66542, 67228, 69629, 78764, 84035, 95060, 98455, 99470, 133084, 137837, 139258, 166355, 168070, 196910, 198940, 232897, 275674, 278516, 332710, 336140, 348145, 393820, 465794, 487403, 551348, 665420, 689185, 696290, 931588, 964859, 974806, 1164485, 1378370, 1392580, 1630279, 1929718, 1949612, 2328970, 2437015, 2756740, 3260558, 3859436, 4657940, 4824295, 4874030, 6521116, 6754013, 8151395, 9648590, 9748060, 13508026, 16302790, 19297180, 27016052, 32605580, 33770065, 47278091, 67540130, 94556182, 135080260, 189112364, 236390455, 472780910, 945561820]

約数ペア:

[(1, 945561820), (2, 472780910), (4, 236390455), (5, 189112364), (7, 135080260), (10, 94556182), (14, 67540130), (20, 47278091), (28, 33770065), (29, 32605580), (35, 27016052), (49, 19297180), (58, 16302790), (70, 13508026), (97, 9748060), (98, 9648590), (116, 8151395), (140, 6754013), (145, 6521116), (194, 4874030), (196, 4824295), (203, 4657940), (245, 3859436), (290, 3260558), (343, 2756740), (388, 2437015), (406, 2328970), (485, 1949612), (490, 1929718), (580, 1630279), (679, 1392580), (686, 1378370), (812, 1164485), (970, 974806), (980, 964859), (1015, 931588), (1358, 696290), (1372, 689185), (1421, 665420), (1715, 551348), (1940, 487403), (2030, 465794), (2401, 393820), (2716, 348145), (2813, 336140), (2842, 332710), (3395, 278516), (3430, 275674), (4060, 232897), (4753, 198940), (4802, 196910), (5626, 168070), (5684, 166355), (6790, 139258), (6860, 137837), (7105, 133084), (9506, 99470), (9604, 98455), (9947, 95060), (11252, 84035), (12005, 78764), (13580, 69629), (14065, 67228), (14210, 66542), (16807, 56260), (19012, 49735), (19691, 48020), (19894, 47530), (23765, 39788), (24010, 39382), (28130, 33614), (28420, 33271)]