221880032

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{79}}^2\times {\mathrm{101}}^1$

素因数の和:280

約数の個数: 72

約数和(自身を含む): 487424952

約数和(自身を除く): 265544920

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 79, 88, 101, 158, 176, 202, 316, 352, 404, 632, 808, 869, 1111, 1264, 1616, 1738, 2222, 2528, 3232, 3476, 4444, 6241, 6952, 7979, 8888, 12482, 13904, 15958, 17776, 24964, 27808, 31916, 35552, 49928, 63832, 68651, 87769, 99856, 127664, 137302, 175538, 199712, 255328, 274604, 351076, 549208, 630341, 702152, 1098416, 1260682, 1404304, 2196832, 2521364, 2808608, 5042728, 6933751, 10085456, 13867502, 20170912, 27735004, 55470008, 110940016, 221880032]

約数ペア:

[(1, 221880032), (2, 110940016), (4, 55470008), (8, 27735004), (11, 20170912), (16, 13867502), (22, 10085456), (32, 6933751), (44, 5042728), (79, 2808608), (88, 2521364), (101, 2196832), (158, 1404304), (176, 1260682), (202, 1098416), (316, 702152), (352, 630341), (404, 549208), (632, 351076), (808, 274604), (869, 255328), (1111, 199712), (1264, 175538), (1616, 137302), (1738, 127664), (2222, 99856), (2528, 87769), (3232, 68651), (3476, 63832), (4444, 49928), (6241, 35552), (6952, 31916), (7979, 27808), (8888, 24964), (12482, 17776), (13904, 15958)]