340203920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19597}}^1$

素因数の和:19648

約数の個数: 80

約数和(自身を含む): 933178368

約数和(自身を除く): 592974448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 19597, 39194, 78388, 97985, 137179, 156776, 195970, 274358, 313552, 391940, 548716, 607507, 685895, 783880, 1097432, 1215014, 1371790, 1567760, 2194864, 2430028, 2743580, 3037535, 4252549, 4860056, 5487160, 6075070, 8505098, 9720112, 10974320, 12150140, 17010196, 21262745, 24300280, 34020392, 42525490, 48600560, 68040784, 85050980, 170101960, 340203920]

約数ペア:

[(1, 340203920), (2, 170101960), (4, 85050980), (5, 68040784), (7, 48600560), (8, 42525490), (10, 34020392), (14, 24300280), (16, 21262745), (20, 17010196), (28, 12150140), (31, 10974320), (35, 9720112), (40, 8505098), (56, 6075070), (62, 5487160), (70, 4860056), (80, 4252549), (112, 3037535), (124, 2743580), (140, 2430028), (155, 2194864), (217, 1567760), (248, 1371790), (280, 1215014), (310, 1097432), (434, 783880), (496, 685895), (560, 607507), (620, 548716), (868, 391940), (1085, 313552), (1240, 274358), (1736, 195970), (2170, 156776), (2480, 137179), (3472, 97985), (4340, 78388), (8680, 39194), (17360, 19597)]