205674420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1951}}^1$

素因数の和:2221

約数の個数: 96

約数和(自身を含む): 661118976

約数和(自身を除く): 455444556

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, 251, 420, 502, 753, 1004, 1255, 1506, 1757, 1951, 2510, 3012, 3514, 3765, 3902, 5020, 5271, 5853, 7028, 7530, 7804, 8785, 9755, 10542, 11706, 13657, 15060, 17570, 19510, 21084, 23412, 26355, 27314, 29265, 35140, 39020, 40971, 52710, 54628, 58530, 68285, 81942, 105420, 117060, 136570, 163884, 204855, 273140, 409710, 489701, 819420, 979402, 1469103, 1958804, 2448505, 2938206, 3427907, 4897010, 5876412, 6855814, 7345515, 9794020, 10283721, 13711628, 14691030, 17139535, 20567442, 29382060, 34279070, 41134884, 51418605, 68558140, 102837210, 205674420]

約数ペア:

[(1, 205674420), (2, 102837210), (3, 68558140), (4, 51418605), (5, 41134884), (6, 34279070), (7, 29382060), (10, 20567442), (12, 17139535), (14, 14691030), (15, 13711628), (20, 10283721), (21, 9794020), (28, 7345515), (30, 6855814), (35, 5876412), (42, 4897010), (60, 3427907), (70, 2938206), (84, 2448505), (105, 1958804), (140, 1469103), (210, 979402), (251, 819420), (420, 489701), (502, 409710), (753, 273140), (1004, 204855), (1255, 163884), (1506, 136570), (1757, 117060), (1951, 105420), (2510, 81942), (3012, 68285), (3514, 58530), (3765, 54628), (3902, 52710), (5020, 40971), (5271, 39020), (5853, 35140), (7028, 29265), (7530, 27314), (7804, 26355), (8785, 23412), (9755, 21084), (10542, 19510), (11706, 17570), (13657, 15060)]