495320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:108

約数の個数: 64

約数和(自身を含む): 1339200

約数和(自身を除く): 843880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 61, 70, 116, 122, 140, 145, 203, 232, 244, 280, 290, 305, 406, 427, 488, 580, 610, 812, 854, 1015, 1160, 1220, 1624, 1708, 1769, 2030, 2135, 2440, 3416, 3538, 4060, 4270, 7076, 8120, 8540, 8845, 12383, 14152, 17080, 17690, 24766, 35380, 49532, 61915, 70760, 99064, 123830, 247660, 495320]

約数ペア:

[(1, 495320), (2, 247660), (4, 123830), (5, 99064), (7, 70760), (8, 61915), (10, 49532), (14, 35380), (20, 24766), (28, 17690), (29, 17080), (35, 14152), (40, 12383), (56, 8845), (58, 8540), (61, 8120), (70, 7076), (116, 4270), (122, 4060), (140, 3538), (145, 3416), (203, 2440), (232, 2135), (244, 2030), (280, 1769), (290, 1708), (305, 1624), (406, 1220), (427, 1160), (488, 1015), (580, 854), (610, 812)]