129977960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6359}}^1$

素因数の和:6450

約数の個数: 64

約数和(自身を含む): 338860800

約数和(自身を除く): 208882840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 6359, 10220, 12718, 20440, 25436, 31795, 44513, 50872, 63590, 89026, 127180, 178052, 222565, 254360, 356104, 445130, 464207, 890260, 928414, 1780520, 1856828, 2321035, 3249449, 3713656, 4642070, 6498898, 9284140, 12997796, 16247245, 18568280, 25995592, 32494490, 64988980, 129977960]

約数ペア:

[(1, 129977960), (2, 64988980), (4, 32494490), (5, 25995592), (7, 18568280), (8, 16247245), (10, 12997796), (14, 9284140), (20, 6498898), (28, 4642070), (35, 3713656), (40, 3249449), (56, 2321035), (70, 1856828), (73, 1780520), (140, 928414), (146, 890260), (280, 464207), (292, 445130), (365, 356104), (511, 254360), (584, 222565), (730, 178052), (1022, 127180), (1460, 89026), (2044, 63590), (2555, 50872), (2920, 44513), (4088, 31795), (5110, 25436), (6359, 20440), (10220, 12718)]