2021629720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1753}}^1\times {\mathrm{2621}}^1$

素因数の和:4396

約数の個数: 64

約数和(自身を含む): 4966907040

約数和(自身を除く): 2945277320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1753, 2621, 3506, 5242, 7012, 8765, 10484, 13105, 14024, 17530, 19283, 20968, 26210, 28831, 35060, 38566, 52420, 57662, 70120, 77132, 96415, 104840, 115324, 144155, 154264, 192830, 230648, 288310, 385660, 576620, 771320, 1153240, 4594613, 9189226, 18378452, 22973065, 36756904, 45946130, 50540743, 91892260, 101081486, 183784520, 202162972, 252703715, 404325944, 505407430, 1010814860, 2021629720]

約数ペア:

[(1, 2021629720), (2, 1010814860), (4, 505407430), (5, 404325944), (8, 252703715), (10, 202162972), (11, 183784520), (20, 101081486), (22, 91892260), (40, 50540743), (44, 45946130), (55, 36756904), (88, 22973065), (110, 18378452), (220, 9189226), (440, 4594613), (1753, 1153240), (2621, 771320), (3506, 576620), (5242, 385660), (7012, 288310), (8765, 230648), (10484, 192830), (13105, 154264), (14024, 144155), (17530, 115324), (19283, 104840), (20968, 96415), (26210, 77132), (28831, 70120), (35060, 57662), (38566, 52420)]