2019713680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{3347}}^1$

素因数の和:3776

約数の個数: 80

約数和(自身を含む): 4956914880

約数和(自身を除く): 2937201200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 397, 760, 794, 1520, 1588, 1985, 3176, 3347, 3970, 6352, 6694, 7543, 7940, 13388, 15086, 15880, 16735, 26776, 30172, 31760, 33470, 37715, 53552, 60344, 63593, 66940, 75430, 120688, 127186, 133880, 150860, 254372, 267760, 301720, 317965, 508744, 603440, 635930, 1017488, 1271860, 1328759, 2543720, 2657518, 5087440, 5315036, 6643795, 10630072, 13287590, 21260144, 25246421, 26575180, 50492842, 53150360, 100985684, 106300720, 126232105, 201971368, 252464210, 403942736, 504928420, 1009856840, 2019713680]

約数ペア:

[(1, 2019713680), (2, 1009856840), (4, 504928420), (5, 403942736), (8, 252464210), (10, 201971368), (16, 126232105), (19, 106300720), (20, 100985684), (38, 53150360), (40, 50492842), (76, 26575180), (80, 25246421), (95, 21260144), (152, 13287590), (190, 10630072), (304, 6643795), (380, 5315036), (397, 5087440), (760, 2657518), (794, 2543720), (1520, 1328759), (1588, 1271860), (1985, 1017488), (3176, 635930), (3347, 603440), (3970, 508744), (6352, 317965), (6694, 301720), (7543, 267760), (7940, 254372), (13388, 150860), (15086, 133880), (15880, 127186), (16735, 120688), (26776, 75430), (30172, 66940), (31760, 63593), (33470, 60344), (37715, 53552)]