200288728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 408326400

約数和(自身を除く): 208037672

約数列:

[1, 2, 4, 8, 19, 38, 67, 71, 76, 134, 142, 152, 268, 277, 284, 536, 554, 568, 1108, 1273, 1349, 2216, 2546, 2698, 4757, 5092, 5263, 5396, 9514, 10184, 10526, 10792, 18559, 19028, 19667, 21052, 37118, 38056, 39334, 42104, 74236, 78668, 90383, 148472, 157336, 180766, 352621, 361532, 373673, 705242, 723064, 747346, 1317689, 1410484, 1494692, 2635378, 2820968, 2989384, 5270756, 10541512, 25036091, 50072182, 100144364, 200288728]

約数ペア:

[(1, 200288728), (2, 100144364), (4, 50072182), (8, 25036091), (19, 10541512), (38, 5270756), (67, 2989384), (71, 2820968), (76, 2635378), (134, 1494692), (142, 1410484), (152, 1317689), (268, 747346), (277, 723064), (284, 705242), (536, 373673), (554, 361532), (568, 352621), (1108, 180766), (1273, 157336), (1349, 148472), (2216, 90383), (2546, 78668), (2698, 74236), (4757, 42104), (5092, 39334), (5263, 38056), (5396, 37118), (9514, 21052), (10184, 19667), (10526, 19028), (10792, 18559)]