52178140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1439}}^1$

素因数の和:1499

約数の個数: 72

約数和(自身を含む): 130999680

約数和(自身を除く): 78821540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1439, 1813, 2590, 2878, 3626, 5180, 5756, 7195, 7252, 9065, 10073, 14390, 18130, 20146, 28780, 36260, 40292, 50365, 53243, 70511, 100730, 106486, 141022, 201460, 212972, 266215, 282044, 352555, 372701, 532430, 705110, 745402, 1064860, 1410220, 1490804, 1863505, 2608907, 3727010, 5217814, 7454020, 10435628, 13044535, 26089070, 52178140]

約数ペア:

[(1, 52178140), (2, 26089070), (4, 13044535), (5, 10435628), (7, 7454020), (10, 5217814), (14, 3727010), (20, 2608907), (28, 1863505), (35, 1490804), (37, 1410220), (49, 1064860), (70, 745402), (74, 705110), (98, 532430), (140, 372701), (148, 352555), (185, 282044), (196, 266215), (245, 212972), (259, 201460), (370, 141022), (490, 106486), (518, 100730), (740, 70511), (980, 53243), (1036, 50365), (1295, 40292), (1439, 36260), (1813, 28780), (2590, 20146), (2878, 18130), (3626, 14390), (5180, 10073), (5756, 9065), (7195, 7252)]