81841100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1583}}^1$

素因数の和:1655

約数の個数: 72

約数和(自身を含む): 197987328

約数和(自身を除く): 116146228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 47, 50, 55, 94, 100, 110, 188, 220, 235, 275, 470, 517, 550, 940, 1034, 1100, 1175, 1583, 2068, 2350, 2585, 3166, 4700, 5170, 6332, 7915, 10340, 12925, 15830, 17413, 25850, 31660, 34826, 39575, 51700, 69652, 74401, 79150, 87065, 148802, 158300, 174130, 297604, 348260, 372005, 435325, 744010, 818411, 870650, 1488020, 1636822, 1741300, 1860025, 3273644, 3720050, 4092055, 7440100, 8184110, 16368220, 20460275, 40920550, 81841100]

約数ペア:

[(1, 81841100), (2, 40920550), (4, 20460275), (5, 16368220), (10, 8184110), (11, 7440100), (20, 4092055), (22, 3720050), (25, 3273644), (44, 1860025), (47, 1741300), (50, 1636822), (55, 1488020), (94, 870650), (100, 818411), (110, 744010), (188, 435325), (220, 372005), (235, 348260), (275, 297604), (470, 174130), (517, 158300), (550, 148802), (940, 87065), (1034, 79150), (1100, 74401), (1175, 69652), (1583, 51700), (2068, 39575), (2350, 34826), (2585, 31660), (3166, 25850), (4700, 17413), (5170, 15830), (6332, 12925), (7915, 10340)]