127990380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{304739}}^1$

素因数の和:304758

約数の個数: 48

約数和(自身を含む): 409570560

約数和(自身を除く): 281580180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 304739, 609478, 914217, 1218956, 1523695, 1828434, 2133173, 3047390, 3656868, 4266346, 4571085, 6094780, 6399519, 8532692, 9142170, 10665865, 12799038, 18284340, 21331730, 25598076, 31997595, 42663460, 63995190, 127990380]

約数ペア:

[(1, 127990380), (2, 63995190), (3, 42663460), (4, 31997595), (5, 25598076), (6, 21331730), (7, 18284340), (10, 12799038), (12, 10665865), (14, 9142170), (15, 8532692), (20, 6399519), (21, 6094780), (28, 4571085), (30, 4266346), (35, 3656868), (42, 3047390), (60, 2133173), (70, 1828434), (84, 1523695), (105, 1218956), (140, 914217), (210, 609478), (420, 304739)]