8747270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 19353600

約数和(自身を除く): 10606330

約数列:

[1, 2, 5, 7, 10, 14, 29, 31, 35, 58, 62, 70, 139, 145, 155, 203, 217, 278, 290, 310, 406, 434, 695, 899, 973, 1015, 1085, 1390, 1798, 1946, 2030, 2170, 4031, 4309, 4495, 4865, 6293, 8062, 8618, 8990, 9730, 12586, 20155, 21545, 28217, 30163, 31465, 40310, 43090, 56434, 60326, 62930, 124961, 141085, 150815, 249922, 282170, 301630, 624805, 874727, 1249610, 1749454, 4373635, 8747270]

約数ペア:

[(1, 8747270), (2, 4373635), (5, 1749454), (7, 1249610), (10, 874727), (14, 624805), (29, 301630), (31, 282170), (35, 249922), (58, 150815), (62, 141085), (70, 124961), (139, 62930), (145, 60326), (155, 56434), (203, 43090), (217, 40310), (278, 31465), (290, 30163), (310, 28217), (406, 21545), (434, 20155), (695, 12586), (899, 9730), (973, 8990), (1015, 8618), (1085, 8062), (1390, 6293), (1798, 4865), (1946, 4495), (2030, 4309), (2170, 4031)]