28980700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2179}}^1$

素因数の和:2219

約数の個数: 72

約数和(自身を含む): 75689600

約数和(自身を除く): 46708900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1900, 2179, 2660, 3325, 4358, 6650, 8716, 10895, 13300, 15253, 21790, 30506, 41401, 43580, 54475, 61012, 76265, 82802, 108950, 152530, 165604, 207005, 217900, 289807, 305060, 381325, 414010, 579614, 762650, 828020, 1035025, 1159228, 1449035, 1525300, 2070050, 2898070, 4140100, 5796140, 7245175, 14490350, 28980700]

約数ペア:

[(1, 28980700), (2, 14490350), (4, 7245175), (5, 5796140), (7, 4140100), (10, 2898070), (14, 2070050), (19, 1525300), (20, 1449035), (25, 1159228), (28, 1035025), (35, 828020), (38, 762650), (50, 579614), (70, 414010), (76, 381325), (95, 305060), (100, 289807), (133, 217900), (140, 207005), (175, 165604), (190, 152530), (266, 108950), (350, 82802), (380, 76265), (475, 61012), (532, 54475), (665, 43580), (700, 41401), (950, 30506), (1330, 21790), (1900, 15253), (2179, 13300), (2660, 10895), (3325, 8716), (4358, 6650)]