70400008

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{379}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 157593600

約数和(自身を除く): 87193592

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 107, 124, 214, 217, 248, 379, 428, 434, 749, 758, 856, 868, 1498, 1516, 1736, 2653, 2996, 3032, 3317, 5306, 5992, 6634, 10612, 11749, 13268, 21224, 23219, 23498, 26536, 40553, 46438, 46996, 81106, 82243, 92876, 93992, 162212, 164486, 185752, 283871, 324424, 328972, 567742, 657944, 1135484, 1257143, 2270968, 2514286, 5028572, 8800001, 10057144, 17600002, 35200004, 70400008]

約数ペア:

[(1, 70400008), (2, 35200004), (4, 17600002), (7, 10057144), (8, 8800001), (14, 5028572), (28, 2514286), (31, 2270968), (56, 1257143), (62, 1135484), (107, 657944), (124, 567742), (214, 328972), (217, 324424), (248, 283871), (379, 185752), (428, 164486), (434, 162212), (749, 93992), (758, 92876), (856, 82243), (868, 81106), (1498, 46996), (1516, 46438), (1736, 40553), (2653, 26536), (2996, 23498), (3032, 23219), (3317, 21224), (5306, 13268), (5992, 11749), (6634, 10612)]