17991750

素因数分解:

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

素因数の和:199

約数の個数: 128

約数和(自身を含む): 53913600

約数和(自身を除く): 35921850

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 25, 30, 35, 42, 46, 50, 69, 70, 75, 105, 115, 125, 138, 149, 150, 161, 175, 210, 230, 250, 298, 322, 345, 350, 375, 447, 483, 525, 575, 690, 745, 750, 805, 875, 894, 966, 1043, 1050, 1150, 1490, 1610, 1725, 1750, 2086, 2235, 2415, 2625, 2875, 3129, 3427, 3450, 3725, 4025, 4470, 4830, 5215, 5250, 5750, 6258, 6854, 7450, 8050, 8625, 10281, 10430, 11175, 12075, 15645, 17135, 17250, 18625, 20125, 20562, 22350, 23989, 24150, 26075, 31290, 34270, 37250, 40250, 47978, 51405, 52150, 55875, 60375, 71967, 78225, 85675, 102810, 111750, 119945, 120750, 130375, 143934, 156450, 171350, 239890, 257025, 260750, 359835, 391125, 428375, 514050, 599725, 719670, 782250, 856750, 1199450, 1285125, 1799175, 2570250, 2998625, 3598350, 5997250, 8995875, 17991750]

約数ペア:

[(1, 17991750), (2, 8995875), (3, 5997250), (5, 3598350), (6, 2998625), (7, 2570250), (10, 1799175), (14, 1285125), (15, 1199450), (21, 856750), (23, 782250), (25, 719670), (30, 599725), (35, 514050), (42, 428375), (46, 391125), (50, 359835), (69, 260750), (70, 257025), (75, 239890), (105, 171350), (115, 156450), (125, 143934), (138, 130375), (149, 120750), (150, 119945), (161, 111750), (175, 102810), (210, 85675), (230, 78225), (250, 71967), (298, 60375), (322, 55875), (345, 52150), (350, 51405), (375, 47978), (447, 40250), (483, 37250), (525, 34270), (575, 31290), (690, 26075), (745, 24150), (750, 23989), (805, 22350), (875, 20562), (894, 20125), (966, 18625), (1043, 17250), (1050, 17135), (1150, 15645), (1490, 12075), (1610, 11175), (1725, 10430), (1750, 10281), (2086, 8625), (2235, 8050), (2415, 7450), (2625, 6854), (2875, 6258), (3129, 5750), (3427, 5250), (3450, 5215), (3725, 4830), (4025, 4470)]