978749206840

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{49834481}}^1$

素因数の和:49834983

約数の個数: 32

約数和(自身を含む): 2206670862960

約数和(自身を除く): 1227921656120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 19640, 49834481, 99668962, 199337924, 249172405, 398675848, 498344810, 996689620, 1993379240, 24468730171, 48937460342, 97874920684, 122343650855, 195749841368, 244687301710, 489374603420, 978749206840]

約数ペア:

[(1, 978749206840), (2, 489374603420), (4, 244687301710), (5, 195749841368), (8, 122343650855), (10, 97874920684), (20, 48937460342), (40, 24468730171), (491, 1993379240), (982, 996689620), (1964, 498344810), (2455, 398675848), (3928, 249172405), (4910, 199337924), (9820, 99668962), (19640, 49834481)]