28323820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{659}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 68302080

約数和(自身を除く): 39978260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 614, 659, 1228, 1318, 1535, 2149, 2636, 3070, 3295, 4298, 4613, 6140, 6590, 8596, 9226, 10745, 13180, 18452, 21490, 23065, 42980, 46130, 92260, 202313, 404626, 809252, 1011565, 1416191, 2023130, 2832382, 4046260, 5664764, 7080955, 14161910, 28323820]

約数ペア:

[(1, 28323820), (2, 14161910), (4, 7080955), (5, 5664764), (7, 4046260), (10, 2832382), (14, 2023130), (20, 1416191), (28, 1011565), (35, 809252), (70, 404626), (140, 202313), (307, 92260), (614, 46130), (659, 42980), (1228, 23065), (1318, 21490), (1535, 18452), (2149, 13180), (2636, 10745), (3070, 9226), (3295, 8596), (4298, 6590), (4613, 6140)]