139835668

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 311091200

約数和(自身を除く): 171255532

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 61, 62, 76, 122, 124, 133, 139, 217, 244, 266, 278, 427, 434, 532, 556, 589, 854, 868, 973, 1159, 1178, 1708, 1891, 1946, 2318, 2356, 2641, 3782, 3892, 4123, 4309, 4636, 5282, 7564, 8113, 8246, 8479, 8618, 10564, 13237, 16226, 16492, 16958, 17236, 18487, 26474, 30163, 32452, 33916, 35929, 36974, 52948, 59353, 60326, 71858, 73948, 81871, 118706, 120652, 143716, 161101, 163742, 237412, 251503, 262849, 322202, 327484, 503006, 525698, 573097, 644404, 1006012, 1051396, 1127707, 1146194, 1839943, 2255414, 2292388, 3679886, 4510828, 4994131, 7359772, 9988262, 19976524, 34958917, 69917834, 139835668]

約数ペア:

[(1, 139835668), (2, 69917834), (4, 34958917), (7, 19976524), (14, 9988262), (19, 7359772), (28, 4994131), (31, 4510828), (38, 3679886), (61, 2292388), (62, 2255414), (76, 1839943), (122, 1146194), (124, 1127707), (133, 1051396), (139, 1006012), (217, 644404), (244, 573097), (266, 525698), (278, 503006), (427, 327484), (434, 322202), (532, 262849), (556, 251503), (589, 237412), (854, 163742), (868, 161101), (973, 143716), (1159, 120652), (1178, 118706), (1708, 81871), (1891, 73948), (1946, 71858), (2318, 60326), (2356, 59353), (2641, 52948), (3782, 36974), (3892, 35929), (4123, 33916), (4309, 32452), (4636, 30163), (5282, 26474), (7564, 18487), (8113, 17236), (8246, 16958), (8479, 16492), (8618, 16226), (10564, 13237)]