28189540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2393}}^1$

素因数の和:2452

約数の個数: 48

約数和(自身を含む): 64350720

約数和(自身を除く): 36161180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2393, 2945, 4786, 5890, 9572, 11780, 11965, 23930, 45467, 47860, 74183, 90934, 148366, 181868, 227335, 296732, 370915, 454670, 741830, 909340, 1409477, 1483660, 2818954, 5637908, 7047385, 14094770, 28189540]

約数ペア:

[(1, 28189540), (2, 14094770), (4, 7047385), (5, 5637908), (10, 2818954), (19, 1483660), (20, 1409477), (31, 909340), (38, 741830), (62, 454670), (76, 370915), (95, 296732), (124, 227335), (155, 181868), (190, 148366), (310, 90934), (380, 74183), (589, 47860), (620, 45467), (1178, 23930), (2356, 11965), (2393, 11780), (2945, 9572), (4786, 5890)]