1738676540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{21407}}^1$

素因数の和:21578

約数の個数: 48

約数和(自身を含む): 3797950464

約数和(自身を除く): 2059273924

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 524, 620, 655, 1310, 2620, 4061, 8122, 16244, 20305, 21407, 40610, 42814, 81220, 85628, 107035, 214070, 428140, 663617, 1327234, 2654468, 2804317, 3318085, 5608634, 6636170, 11217268, 13272340, 14021585, 28043170, 56086340, 86933827, 173867654, 347735308, 434669135, 869338270, 1738676540]

約数ペア:

[(1, 1738676540), (2, 869338270), (4, 434669135), (5, 347735308), (10, 173867654), (20, 86933827), (31, 56086340), (62, 28043170), (124, 14021585), (131, 13272340), (155, 11217268), (262, 6636170), (310, 5608634), (524, 3318085), (620, 2804317), (655, 2654468), (1310, 1327234), (2620, 663617), (4061, 428140), (8122, 214070), (16244, 107035), (20305, 85628), (21407, 81220), (40610, 42814)]