85806420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{204301}}^1$

素因数の和:204320

約数の個数: 48

約数和(自身を含む): 274581888

約数和(自身を除く): 188775468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 204301, 408602, 612903, 817204, 1021505, 1225806, 1430107, 2043010, 2451612, 2860214, 3064515, 4086020, 4290321, 5720428, 6129030, 7150535, 8580642, 12258060, 14301070, 17161284, 21451605, 28602140, 42903210, 85806420]

約数ペア:

[(1, 85806420), (2, 42903210), (3, 28602140), (4, 21451605), (5, 17161284), (6, 14301070), (7, 12258060), (10, 8580642), (12, 7150535), (14, 6129030), (15, 5720428), (20, 4290321), (21, 4086020), (28, 3064515), (30, 2860214), (35, 2451612), (42, 2043010), (60, 1430107), (70, 1225806), (84, 1021505), (105, 817204), (140, 612903), (210, 408602), (420, 204301)]