12920340188

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^2\times {\mathrm{103}}^1\times {\mathrm{761}}^1$

素因数の和:940

約数の個数: 108

約数和(自身を含む): 27540978192

約数和(自身を除く): 14620638004

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 103, 116, 196, 203, 206, 406, 412, 721, 761, 812, 841, 1421, 1442, 1522, 1682, 2842, 2884, 2987, 3044, 3364, 5047, 5327, 5684, 5887, 5974, 10094, 10654, 11774, 11948, 20188, 20909, 21308, 22069, 23548, 37289, 41209, 41818, 44138, 74578, 78383, 82418, 83636, 86623, 88276, 146363, 149156, 154483, 156766, 164836, 173246, 292726, 308966, 313532, 346492, 548681, 585452, 606361, 617932, 640001, 1081381, 1097362, 1212722, 1280002, 2162762, 2194724, 2273107, 2425444, 2560004, 3840767, 4244527, 4325524, 4480007, 4546214, 7681534, 8489054, 8960014, 9092428, 15363068, 15911749, 16978108, 17920028, 31360049, 31823498, 62720098, 63646996, 65920103, 111382243, 125440196, 131840206, 222764486, 263680412, 445528972, 461440721, 922881442, 1845762884, 3230085047, 6460170094, 12920340188]

約数ペア:

[(1, 12920340188), (2, 6460170094), (4, 3230085047), (7, 1845762884), (14, 922881442), (28, 461440721), (29, 445528972), (49, 263680412), (58, 222764486), (98, 131840206), (103, 125440196), (116, 111382243), (196, 65920103), (203, 63646996), (206, 62720098), (406, 31823498), (412, 31360049), (721, 17920028), (761, 16978108), (812, 15911749), (841, 15363068), (1421, 9092428), (1442, 8960014), (1522, 8489054), (1682, 7681534), (2842, 4546214), (2884, 4480007), (2987, 4325524), (3044, 4244527), (3364, 3840767), (5047, 2560004), (5327, 2425444), (5684, 2273107), (5887, 2194724), (5974, 2162762), (10094, 1280002), (10654, 1212722), (11774, 1097362), (11948, 1081381), (20188, 640001), (20909, 617932), (21308, 606361), (22069, 585452), (23548, 548681), (37289, 346492), (41209, 313532), (41818, 308966), (44138, 292726), (74578, 173246), (78383, 164836), (82418, 156766), (83636, 154483), (86623, 149156), (88276, 146363)]