30739340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1973}}^1$

素因数の和:2042

約数の個数: 48

約数和(自身を含む): 69642720

約数和(自身を除く): 38903380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 1973, 3116, 3895, 3946, 7790, 7892, 9865, 15580, 19730, 37487, 39460, 74974, 80893, 149948, 161786, 187435, 323572, 374870, 404465, 749740, 808930, 1536967, 1617860, 3073934, 6147868, 7684835, 15369670, 30739340]

約数ペア:

[(1, 30739340), (2, 15369670), (4, 7684835), (5, 6147868), (10, 3073934), (19, 1617860), (20, 1536967), (38, 808930), (41, 749740), (76, 404465), (82, 374870), (95, 323572), (164, 187435), (190, 161786), (205, 149948), (380, 80893), (410, 74974), (779, 39460), (820, 37487), (1558, 19730), (1973, 15580), (3116, 9865), (3895, 7892), (3946, 7790)]