2019292880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{74021}}^1$

素因数の和:74076

約数の個数: 80

約数和(自身を含む): 5286947328

約数和(自身を除く): 3267654448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640, 27280, 74021, 148042, 296084, 370105, 592168, 740210, 814231, 1184336, 1480420, 1628462, 2294651, 2960840, 3256924, 4071155, 4589302, 5921680, 6513848, 8142310, 9178604, 11473255, 13027696, 16284620, 18357208, 22946510, 25241161, 32569240, 36714416, 45893020, 50482322, 65138480, 91786040, 100964644, 126205805, 183572080, 201929288, 252411610, 403858576, 504823220, 1009646440, 2019292880]

約数ペア:

[(1, 2019292880), (2, 1009646440), (4, 504823220), (5, 403858576), (8, 252411610), (10, 201929288), (11, 183572080), (16, 126205805), (20, 100964644), (22, 91786040), (31, 65138480), (40, 50482322), (44, 45893020), (55, 36714416), (62, 32569240), (80, 25241161), (88, 22946510), (110, 18357208), (124, 16284620), (155, 13027696), (176, 11473255), (220, 9178604), (248, 8142310), (310, 6513848), (341, 5921680), (440, 4589302), (496, 4071155), (620, 3256924), (682, 2960840), (880, 2294651), (1240, 1628462), (1364, 1480420), (1705, 1184336), (2480, 814231), (2728, 740210), (3410, 592168), (5456, 370105), (6820, 296084), (13640, 148042), (27280, 74021)]