1288367750

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{4493}}^1$

素因数の和:4578

約数の個数: 64

約数和(自身を含む): 2557481472

約数和(自身を除く): 1269113722

約数列:

[1, 2, 5, 10, 25, 31, 37, 50, 62, 74, 125, 155, 185, 250, 310, 370, 775, 925, 1147, 1550, 1850, 2294, 3875, 4493, 4625, 5735, 7750, 8986, 9250, 11470, 22465, 28675, 44930, 57350, 112325, 139283, 143375, 166241, 224650, 278566, 286750, 332482, 561625, 696415, 831205, 1123250, 1392830, 1662410, 3482075, 4156025, 5153471, 6964150, 8312050, 10306942, 17410375, 20780125, 25767355, 34820750, 41560250, 51534710, 128836775, 257673550, 644183875, 1288367750]

約数ペア:

[(1, 1288367750), (2, 644183875), (5, 257673550), (10, 128836775), (25, 51534710), (31, 41560250), (37, 34820750), (50, 25767355), (62, 20780125), (74, 17410375), (125, 10306942), (155, 8312050), (185, 6964150), (250, 5153471), (310, 4156025), (370, 3482075), (775, 1662410), (925, 1392830), (1147, 1123250), (1550, 831205), (1850, 696415), (2294, 561625), (3875, 332482), (4493, 286750), (4625, 278566), (5735, 224650), (7750, 166241), (8986, 143375), (9250, 139283), (11470, 112325), (22465, 57350), (28675, 44930)]