394282880

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8677}}^1$

素因数の和:8767

約数の個数: 64

約数和(自身を含む): 955968480

約数和(自身を除く): 561685600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 2272, 2840, 4544, 5680, 8677, 9088, 11360, 17354, 22720, 34708, 43385, 45440, 69416, 86770, 138832, 173540, 277664, 347080, 555328, 616067, 694160, 1110656, 1232134, 1388320, 2464268, 2776640, 3080335, 4928536, 5553280, 6160670, 9857072, 12321340, 19714144, 24642680, 39428288, 49285360, 78856576, 98570720, 197141440, 394282880]

約数ペア:

[(1, 394282880), (2, 197141440), (4, 98570720), (5, 78856576), (8, 49285360), (10, 39428288), (16, 24642680), (20, 19714144), (32, 12321340), (40, 9857072), (64, 6160670), (71, 5553280), (80, 4928536), (128, 3080335), (142, 2776640), (160, 2464268), (284, 1388320), (320, 1232134), (355, 1110656), (568, 694160), (640, 616067), (710, 555328), (1136, 347080), (1420, 277664), (2272, 173540), (2840, 138832), (4544, 86770), (5680, 69416), (8677, 45440), (9088, 43385), (11360, 34708), (17354, 22720)]