307597840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18397}}^1$

素因数の和:18440

約数の個数: 80

約数和(自身を含む): 821286720

約数和(自身を除く): 513688880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 16720, 18397, 36794, 73588, 91985, 147176, 183970, 202367, 294352, 349543, 367940, 404734, 699086, 735880, 809468, 1011835, 1398172, 1471760, 1618936, 1747715, 2023670, 2796344, 3237872, 3495430, 3844973, 4047340, 5592688, 6990860, 7689946, 8094680, 13981720, 15379892, 16189360, 19224865, 27963440, 30759784, 38449730, 61519568, 76899460, 153798920, 307597840]

約数ペア:

[(1, 307597840), (2, 153798920), (4, 76899460), (5, 61519568), (8, 38449730), (10, 30759784), (11, 27963440), (16, 19224865), (19, 16189360), (20, 15379892), (22, 13981720), (38, 8094680), (40, 7689946), (44, 6990860), (55, 5592688), (76, 4047340), (80, 3844973), (88, 3495430), (95, 3237872), (110, 2796344), (152, 2023670), (176, 1747715), (190, 1618936), (209, 1471760), (220, 1398172), (304, 1011835), (380, 809468), (418, 735880), (440, 699086), (760, 404734), (836, 367940), (880, 349543), (1045, 294352), (1520, 202367), (1672, 183970), (2090, 147176), (3344, 91985), (4180, 73588), (8360, 36794), (16720, 18397)]