344779820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{20353}}^1$

素因数の和:20391

約数の個数: 72

約数和(自身を含む): 909579552

約数和(自身を除く): 564799732

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 16940, 20353, 40706, 81412, 101765, 142471, 203530, 223883, 284942, 407060, 447766, 569884, 712355, 895532, 1119415, 1424710, 1567181, 2238830, 2462713, 2849420, 3134362, 4477660, 4925426, 6268724, 7835905, 9850852, 12313565, 15671810, 17238991, 24627130, 31343620, 34477982, 49254260, 68955964, 86194955, 172389910, 344779820]

約数ペア:

[(1, 344779820), (2, 172389910), (4, 86194955), (5, 68955964), (7, 49254260), (10, 34477982), (11, 31343620), (14, 24627130), (20, 17238991), (22, 15671810), (28, 12313565), (35, 9850852), (44, 7835905), (55, 6268724), (70, 4925426), (77, 4477660), (110, 3134362), (121, 2849420), (140, 2462713), (154, 2238830), (220, 1567181), (242, 1424710), (308, 1119415), (385, 895532), (484, 712355), (605, 569884), (770, 447766), (847, 407060), (1210, 284942), (1540, 223883), (1694, 203530), (2420, 142471), (3388, 101765), (4235, 81412), (8470, 40706), (16940, 20353)]