122956220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{659}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 272764800

約数和(自身を除く): 149808580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 491, 659, 982, 1318, 1964, 2455, 2636, 3295, 4910, 6590, 9329, 9820, 12521, 13180, 18658, 25042, 37316, 46645, 50084, 62605, 93290, 125210, 186580, 250420, 323569, 647138, 1294276, 1617845, 3235690, 6147811, 6471380, 12295622, 24591244, 30739055, 61478110, 122956220]

約数ペア:

[(1, 122956220), (2, 61478110), (4, 30739055), (5, 24591244), (10, 12295622), (19, 6471380), (20, 6147811), (38, 3235690), (76, 1617845), (95, 1294276), (190, 647138), (380, 323569), (491, 250420), (659, 186580), (982, 125210), (1318, 93290), (1964, 62605), (2455, 50084), (2636, 46645), (3295, 37316), (4910, 25042), (6590, 18658), (9329, 13180), (9820, 12521)]