890758880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{506113}}^1$

素因数の和:506139

約数の個数: 48

約数和(自身を含む): 2295733104

約数和(自身を除く): 1404974224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 506113, 1012226, 2024452, 2530565, 4048904, 5061130, 5567243, 8097808, 10122260, 11134486, 16195616, 20244520, 22268972, 27836215, 40489040, 44537944, 55672430, 80978080, 89075888, 111344860, 178151776, 222689720, 445379440, 890758880]

約数ペア:

[(1, 890758880), (2, 445379440), (4, 222689720), (5, 178151776), (8, 111344860), (10, 89075888), (11, 80978080), (16, 55672430), (20, 44537944), (22, 40489040), (32, 27836215), (40, 22268972), (44, 20244520), (55, 16195616), (80, 11134486), (88, 10122260), (110, 8097808), (160, 5567243), (176, 5061130), (220, 4048904), (352, 2530565), (440, 2024452), (880, 1012226), (1760, 506113)]