7538840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 17992800

約数和(自身を除く): 10453960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 67, 97, 116, 134, 145, 194, 232, 268, 290, 335, 388, 485, 536, 580, 670, 776, 970, 1160, 1340, 1940, 1943, 2680, 2813, 3880, 3886, 5626, 6499, 7772, 9715, 11252, 12998, 14065, 15544, 19430, 22504, 25996, 28130, 32495, 38860, 51992, 56260, 64990, 77720, 112520, 129980, 188471, 259960, 376942, 753884, 942355, 1507768, 1884710, 3769420, 7538840]

約数ペア:

[(1, 7538840), (2, 3769420), (4, 1884710), (5, 1507768), (8, 942355), (10, 753884), (20, 376942), (29, 259960), (40, 188471), (58, 129980), (67, 112520), (97, 77720), (116, 64990), (134, 56260), (145, 51992), (194, 38860), (232, 32495), (268, 28130), (290, 25996), (335, 22504), (388, 19430), (485, 15544), (536, 14065), (580, 12998), (670, 11252), (776, 9715), (970, 7772), (1160, 6499), (1340, 5626), (1940, 3886), (1943, 3880), (2680, 2813)]