139304320

素因数分解:

$2^7\times 5^1\times {\mathrm{307}}^1\times {\mathrm{709}}^1$

素因数の和:1035

約数の個数: 64

約数和(自身を含む): 334580400

約数和(自身を除く): 195276080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 307, 320, 614, 640, 709, 1228, 1418, 1535, 2456, 2836, 3070, 3545, 4912, 5672, 6140, 7090, 9824, 11344, 12280, 14180, 19648, 22688, 24560, 28360, 39296, 45376, 49120, 56720, 90752, 98240, 113440, 196480, 217663, 226880, 435326, 453760, 870652, 1088315, 1741304, 2176630, 3482608, 4353260, 6965216, 8706520, 13930432, 17413040, 27860864, 34826080, 69652160, 139304320]

約数ペア:

[(1, 139304320), (2, 69652160), (4, 34826080), (5, 27860864), (8, 17413040), (10, 13930432), (16, 8706520), (20, 6965216), (32, 4353260), (40, 3482608), (64, 2176630), (80, 1741304), (128, 1088315), (160, 870652), (307, 453760), (320, 435326), (614, 226880), (640, 217663), (709, 196480), (1228, 113440), (1418, 98240), (1535, 90752), (2456, 56720), (2836, 49120), (3070, 45376), (3545, 39296), (4912, 28360), (5672, 24560), (6140, 22688), (7090, 19648), (9824, 14180), (11344, 12280)]