161569100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20983}}^1$

素因数の和:21015

約数の個数: 72

約数和(自身を含む): 437138688

約数和(自身を除く): 275569588

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3850, 7700, 20983, 41966, 83932, 104915, 146881, 209830, 230813, 293762, 419660, 461626, 524575, 587524, 734405, 923252, 1049150, 1154065, 1468810, 1615691, 2098300, 2308130, 2937620, 3231382, 3672025, 4616260, 5770325, 6462764, 7344050, 8078455, 11540650, 14688100, 16156910, 23081300, 32313820, 40392275, 80784550, 161569100]

約数ペア:

[(1, 161569100), (2, 80784550), (4, 40392275), (5, 32313820), (7, 23081300), (10, 16156910), (11, 14688100), (14, 11540650), (20, 8078455), (22, 7344050), (25, 6462764), (28, 5770325), (35, 4616260), (44, 3672025), (50, 3231382), (55, 2937620), (70, 2308130), (77, 2098300), (100, 1615691), (110, 1468810), (140, 1154065), (154, 1049150), (175, 923252), (220, 734405), (275, 587524), (308, 524575), (350, 461626), (385, 419660), (550, 293762), (700, 230813), (770, 209830), (1100, 146881), (1540, 104915), (1925, 83932), (3850, 41966), (7700, 20983)]