2143140980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{8707}}^1$

素因数の和:9144

約数の個数: 48

約数和(自身を含む): 4658013696

約数和(自身を除く): 2514872716

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 397, 620, 794, 1588, 1985, 3970, 7940, 8707, 12307, 17414, 24614, 34828, 43535, 49228, 61535, 87070, 123070, 174140, 246140, 269917, 539834, 1079668, 1349585, 2699170, 3456679, 5398340, 6913358, 13826716, 17283395, 34566790, 69133580, 107157049, 214314098, 428628196, 535785245, 1071570490, 2143140980]

約数ペア:

[(1, 2143140980), (2, 1071570490), (4, 535785245), (5, 428628196), (10, 214314098), (20, 107157049), (31, 69133580), (62, 34566790), (124, 17283395), (155, 13826716), (310, 6913358), (397, 5398340), (620, 3456679), (794, 2699170), (1588, 1349585), (1985, 1079668), (3970, 539834), (7940, 269917), (8707, 246140), (12307, 174140), (17414, 123070), (24614, 87070), (34828, 61535), (43535, 49228)]