25707990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:418

約数の個数: 128

約数和(自身を含む): 79626240

約数和(自身を除く): 53918250

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 31, 33, 35, 42, 55, 62, 66, 70, 77, 93, 105, 110, 154, 155, 165, 186, 210, 217, 231, 310, 330, 341, 359, 385, 434, 462, 465, 651, 682, 718, 770, 930, 1023, 1077, 1085, 1155, 1302, 1705, 1795, 2046, 2154, 2170, 2310, 2387, 2513, 3255, 3410, 3590, 3949, 4774, 5026, 5115, 5385, 6510, 7161, 7539, 7898, 10230, 10770, 11129, 11847, 11935, 12565, 14322, 15078, 19745, 22258, 23694, 23870, 25130, 27643, 33387, 35805, 37695, 39490, 55286, 55645, 59235, 66774, 71610, 75390, 77903, 82929, 111290, 118470, 122419, 138215, 155806, 165858, 166935, 233709, 244838, 276430, 333870, 367257, 389515, 414645, 467418, 612095, 734514, 779030, 829290, 856933, 1168545, 1224190, 1713866, 1836285, 2337090, 2570799, 3672570, 4284665, 5141598, 8569330, 12853995, 25707990]

約数ペア:

[(1, 25707990), (2, 12853995), (3, 8569330), (5, 5141598), (6, 4284665), (7, 3672570), (10, 2570799), (11, 2337090), (14, 1836285), (15, 1713866), (21, 1224190), (22, 1168545), (30, 856933), (31, 829290), (33, 779030), (35, 734514), (42, 612095), (55, 467418), (62, 414645), (66, 389515), (70, 367257), (77, 333870), (93, 276430), (105, 244838), (110, 233709), (154, 166935), (155, 165858), (165, 155806), (186, 138215), (210, 122419), (217, 118470), (231, 111290), (310, 82929), (330, 77903), (341, 75390), (359, 71610), (385, 66774), (434, 59235), (462, 55645), (465, 55286), (651, 39490), (682, 37695), (718, 35805), (770, 33387), (930, 27643), (1023, 25130), (1077, 23870), (1085, 23694), (1155, 22258), (1302, 19745), (1705, 15078), (1795, 14322), (2046, 12565), (2154, 11935), (2170, 11847), (2310, 11129), (2387, 10770), (2513, 10230), (3255, 7898), (3410, 7539), (3590, 7161), (3949, 6510), (4774, 5385), (5026, 5115)]