199282880

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20089}}^1$

素因数の和:20137

約数の個数: 56

約数和(自身を含む): 489874560

約数和(自身を除く): 290591680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 20089, 40178, 80356, 100445, 160712, 200890, 321424, 401780, 622759, 642848, 803560, 1245518, 1285696, 1607120, 2491036, 3113795, 3214240, 4982072, 6227590, 6428480, 9964144, 12455180, 19928288, 24910360, 39856576, 49820720, 99641440, 199282880]

約数ペア:

[(1, 199282880), (2, 99641440), (4, 49820720), (5, 39856576), (8, 24910360), (10, 19928288), (16, 12455180), (20, 9964144), (31, 6428480), (32, 6227590), (40, 4982072), (62, 3214240), (64, 3113795), (80, 2491036), (124, 1607120), (155, 1285696), (160, 1245518), (248, 803560), (310, 642848), (320, 622759), (496, 401780), (620, 321424), (992, 200890), (1240, 160712), (1984, 100445), (2480, 80356), (4960, 40178), (9920, 20089)]