340760980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{6131}}^1$

素因数の和:6544

約数の個数: 48

約数和(自身を含む): 820020096

約数和(自身を除く): 479259116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1588, 1985, 2779, 3970, 5558, 6131, 7940, 11116, 12262, 13895, 24524, 27790, 30655, 42917, 55580, 61310, 85834, 122620, 171668, 214585, 429170, 858340, 2434007, 4868014, 9736028, 12170035, 17038049, 24340070, 34076098, 48680140, 68152196, 85190245, 170380490, 340760980]

約数ペア:

[(1, 340760980), (2, 170380490), (4, 85190245), (5, 68152196), (7, 48680140), (10, 34076098), (14, 24340070), (20, 17038049), (28, 12170035), (35, 9736028), (70, 4868014), (140, 2434007), (397, 858340), (794, 429170), (1588, 214585), (1985, 171668), (2779, 122620), (3970, 85834), (5558, 61310), (6131, 55580), (7940, 42917), (11116, 30655), (12262, 27790), (13895, 24524)]