3979000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 9771840

約数和(自身を除く): 5792840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 173, 184, 200, 230, 250, 346, 460, 500, 575, 692, 865, 920, 1000, 1150, 1384, 1730, 2300, 2875, 3460, 3979, 4325, 4600, 5750, 6920, 7958, 8650, 11500, 15916, 17300, 19895, 21625, 23000, 31832, 34600, 39790, 43250, 79580, 86500, 99475, 159160, 173000, 198950, 397900, 497375, 795800, 994750, 1989500, 3979000]

約数ペア:

[(1, 3979000), (2, 1989500), (4, 994750), (5, 795800), (8, 497375), (10, 397900), (20, 198950), (23, 173000), (25, 159160), (40, 99475), (46, 86500), (50, 79580), (92, 43250), (100, 39790), (115, 34600), (125, 31832), (173, 23000), (184, 21625), (200, 19895), (230, 17300), (250, 15916), (346, 11500), (460, 8650), (500, 7958), (575, 6920), (692, 5750), (865, 4600), (920, 4325), (1000, 3979), (1150, 3460), (1384, 2875), (1730, 2300)]