808889180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1$

素因数の和:647

約数の個数: 96

約数和(自身を含む): 1903704768

約数和(自身を除く): 1094815588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 173, 212, 220, 265, 346, 401, 530, 583, 692, 802, 865, 1060, 1166, 1604, 1730, 1903, 2005, 2332, 2915, 3460, 3806, 4010, 4411, 5830, 7612, 8020, 8822, 9169, 9515, 11660, 17644, 18338, 19030, 21253, 22055, 36676, 38060, 42506, 44110, 45845, 69373, 85012, 88220, 91690, 100859, 106265, 138746, 183380, 201718, 212530, 233783, 277492, 346865, 403436, 425060, 467566, 504295, 693730, 763103, 935132, 1008590, 1168915, 1387460, 1526206, 2017180, 2337830, 3052412, 3676769, 3815515, 4675660, 7353538, 7631030, 14707076, 15262060, 18383845, 36767690, 40444459, 73535380, 80888918, 161777836, 202222295, 404444590, 808889180]

約数ペア:

[(1, 808889180), (2, 404444590), (4, 202222295), (5, 161777836), (10, 80888918), (11, 73535380), (20, 40444459), (22, 36767690), (44, 18383845), (53, 15262060), (55, 14707076), (106, 7631030), (110, 7353538), (173, 4675660), (212, 3815515), (220, 3676769), (265, 3052412), (346, 2337830), (401, 2017180), (530, 1526206), (583, 1387460), (692, 1168915), (802, 1008590), (865, 935132), (1060, 763103), (1166, 693730), (1604, 504295), (1730, 467566), (1903, 425060), (2005, 403436), (2332, 346865), (2915, 277492), (3460, 233783), (3806, 212530), (4010, 201718), (4411, 183380), (5830, 138746), (7612, 106265), (8020, 100859), (8822, 91690), (9169, 88220), (9515, 85012), (11660, 69373), (17644, 45845), (18338, 44110), (19030, 42506), (21253, 38060), (22055, 36676)]