23989000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:200

約数の個数: 128

約数和(自身を含む): 67392000

約数和(自身を除く): 43403000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 92, 100, 115, 125, 140, 149, 161, 175, 184, 200, 230, 250, 280, 298, 322, 350, 460, 500, 575, 596, 644, 700, 745, 805, 875, 920, 1000, 1043, 1150, 1192, 1288, 1400, 1490, 1610, 1750, 2086, 2300, 2875, 2980, 3220, 3427, 3500, 3725, 4025, 4172, 4600, 5215, 5750, 5960, 6440, 6854, 7000, 7450, 8050, 8344, 10430, 11500, 13708, 14900, 16100, 17135, 18625, 20125, 20860, 23000, 23989, 26075, 27416, 29800, 32200, 34270, 37250, 40250, 41720, 47978, 52150, 68540, 74500, 80500, 85675, 95956, 104300, 119945, 130375, 137080, 149000, 161000, 171350, 191912, 208600, 239890, 260750, 342700, 428375, 479780, 521500, 599725, 685400, 856750, 959560, 1043000, 1199450, 1713500, 2398900, 2998625, 3427000, 4797800, 5997250, 11994500, 23989000]

約数ペア:

[(1, 23989000), (2, 11994500), (4, 5997250), (5, 4797800), (7, 3427000), (8, 2998625), (10, 2398900), (14, 1713500), (20, 1199450), (23, 1043000), (25, 959560), (28, 856750), (35, 685400), (40, 599725), (46, 521500), (50, 479780), (56, 428375), (70, 342700), (92, 260750), (100, 239890), (115, 208600), (125, 191912), (140, 171350), (149, 161000), (161, 149000), (175, 137080), (184, 130375), (200, 119945), (230, 104300), (250, 95956), (280, 85675), (298, 80500), (322, 74500), (350, 68540), (460, 52150), (500, 47978), (575, 41720), (596, 40250), (644, 37250), (700, 34270), (745, 32200), (805, 29800), (875, 27416), (920, 26075), (1000, 23989), (1043, 23000), (1150, 20860), (1192, 20125), (1288, 18625), (1400, 17135), (1490, 16100), (1610, 14900), (1750, 13708), (2086, 11500), (2300, 10430), (2875, 8344), (2980, 8050), (3220, 7450), (3427, 7000), (3500, 6854), (3725, 6440), (4025, 5960), (4172, 5750), (4600, 5215)]