47978000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:202

約数の個数: 160

約数和(自身を含む): 139276800

約数和(自身を除く): 91298800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 125, 140, 149, 161, 175, 184, 200, 230, 250, 280, 298, 322, 350, 368, 400, 460, 500, 560, 575, 596, 644, 700, 745, 805, 875, 920, 1000, 1043, 1150, 1192, 1288, 1400, 1490, 1610, 1750, 1840, 2000, 2086, 2300, 2384, 2576, 2800, 2875, 2980, 3220, 3427, 3500, 3725, 4025, 4172, 4600, 5215, 5750, 5960, 6440, 6854, 7000, 7450, 8050, 8344, 9200, 10430, 11500, 11920, 12880, 13708, 14000, 14900, 16100, 16688, 17135, 18625, 20125, 20860, 23000, 23989, 26075, 27416, 29800, 32200, 34270, 37250, 40250, 41720, 46000, 47978, 52150, 54832, 59600, 64400, 68540, 74500, 80500, 83440, 85675, 95956, 104300, 119945, 130375, 137080, 149000, 161000, 171350, 191912, 208600, 239890, 260750, 274160, 298000, 322000, 342700, 383824, 417200, 428375, 479780, 521500, 599725, 685400, 856750, 959560, 1043000, 1199450, 1370800, 1713500, 1919120, 2086000, 2398900, 2998625, 3427000, 4797800, 5997250, 6854000, 9595600, 11994500, 23989000, 47978000]

約数ペア:

[(1, 47978000), (2, 23989000), (4, 11994500), (5, 9595600), (7, 6854000), (8, 5997250), (10, 4797800), (14, 3427000), (16, 2998625), (20, 2398900), (23, 2086000), (25, 1919120), (28, 1713500), (35, 1370800), (40, 1199450), (46, 1043000), (50, 959560), (56, 856750), (70, 685400), (80, 599725), (92, 521500), (100, 479780), (112, 428375), (115, 417200), (125, 383824), (140, 342700), (149, 322000), (161, 298000), (175, 274160), (184, 260750), (200, 239890), (230, 208600), (250, 191912), (280, 171350), (298, 161000), (322, 149000), (350, 137080), (368, 130375), (400, 119945), (460, 104300), (500, 95956), (560, 85675), (575, 83440), (596, 80500), (644, 74500), (700, 68540), (745, 64400), (805, 59600), (875, 54832), (920, 52150), (1000, 47978), (1043, 46000), (1150, 41720), (1192, 40250), (1288, 37250), (1400, 34270), (1490, 32200), (1610, 29800), (1750, 27416), (1840, 26075), (2000, 23989), (2086, 23000), (2300, 20860), (2384, 20125), (2576, 18625), (2800, 17135), (2875, 16688), (2980, 16100), (3220, 14900), (3427, 14000), (3500, 13708), (3725, 12880), (4025, 11920), (4172, 11500), (4600, 10430), (5215, 9200), (5750, 8344), (5960, 8050), (6440, 7450), (6854, 7000)]