394343460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{312971}}^1$

素因数の和:312993

約数の個数: 72

約数和(自身を含む): 1367061696

約数和(自身を除く): 972718236

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 312971, 625942, 938913, 1251884, 1564855, 1877826, 2190797, 2816739, 3129710, 3755652, 4381594, 4694565, 5633478, 6259420, 6572391, 8763188, 9389130, 10953985, 11266956, 13144782, 14083695, 18778260, 19717173, 21907970, 26289564, 28167390, 32861955, 39434346, 43815940, 56334780, 65723910, 78868692, 98585865, 131447820, 197171730, 394343460]

約数ペア:

[(1, 394343460), (2, 197171730), (3, 131447820), (4, 98585865), (5, 78868692), (6, 65723910), (7, 56334780), (9, 43815940), (10, 39434346), (12, 32861955), (14, 28167390), (15, 26289564), (18, 21907970), (20, 19717173), (21, 18778260), (28, 14083695), (30, 13144782), (35, 11266956), (36, 10953985), (42, 9389130), (45, 8763188), (60, 6572391), (63, 6259420), (70, 5633478), (84, 4694565), (90, 4381594), (105, 3755652), (126, 3129710), (140, 2816739), (180, 2190797), (210, 1877826), (252, 1564855), (315, 1251884), (420, 938913), (630, 625942), (1260, 312971)]