306538540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6421}}^1$

素因数の和:6479

約数の個数: 96

約数和(自身を含む): 828592128

約数和(自身を除く): 522053588

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 385, 434, 620, 682, 770, 868, 1085, 1364, 1540, 1705, 2170, 2387, 3410, 4340, 4774, 6421, 6820, 9548, 11935, 12842, 23870, 25684, 32105, 44947, 47740, 64210, 70631, 89894, 128420, 141262, 179788, 199051, 224735, 282524, 353155, 398102, 449470, 494417, 706310, 796204, 898940, 988834, 995255, 1393357, 1412620, 1977668, 1990510, 2189561, 2472085, 2786714, 3981020, 4379122, 4944170, 5573428, 6966785, 8758244, 9888340, 10947805, 13933570, 15326927, 21895610, 27867140, 30653854, 43791220, 61307708, 76634635, 153269270, 306538540]

約数ペア:

[(1, 306538540), (2, 153269270), (4, 76634635), (5, 61307708), (7, 43791220), (10, 30653854), (11, 27867140), (14, 21895610), (20, 15326927), (22, 13933570), (28, 10947805), (31, 9888340), (35, 8758244), (44, 6966785), (55, 5573428), (62, 4944170), (70, 4379122), (77, 3981020), (110, 2786714), (124, 2472085), (140, 2189561), (154, 1990510), (155, 1977668), (217, 1412620), (220, 1393357), (308, 995255), (310, 988834), (341, 898940), (385, 796204), (434, 706310), (620, 494417), (682, 449470), (770, 398102), (868, 353155), (1085, 282524), (1364, 224735), (1540, 199051), (1705, 179788), (2170, 141262), (2387, 128420), (3410, 89894), (4340, 70631), (4774, 64210), (6421, 47740), (6820, 44947), (9548, 32105), (11935, 25684), (12842, 23870)]