158664140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{1439}}^1$

素因数の和:1634

約数の個数: 48

約数和(自身を含む): 344736000

約数和(自身を除く): 186071860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 149, 185, 298, 370, 596, 740, 745, 1439, 1490, 2878, 2980, 5513, 5756, 7195, 11026, 14390, 22052, 27565, 28780, 53243, 55130, 106486, 110260, 212972, 214411, 266215, 428822, 532430, 857644, 1064860, 1072055, 2144110, 4288220, 7933207, 15866414, 31732828, 39666035, 79332070, 158664140]

約数ペア:

[(1, 158664140), (2, 79332070), (4, 39666035), (5, 31732828), (10, 15866414), (20, 7933207), (37, 4288220), (74, 2144110), (148, 1072055), (149, 1064860), (185, 857644), (298, 532430), (370, 428822), (596, 266215), (740, 214411), (745, 212972), (1439, 110260), (1490, 106486), (2878, 55130), (2980, 53243), (5513, 28780), (5756, 27565), (7195, 22052), (11026, 14390)]