407398000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:264

約数の個数: 160

約数和(自身を含む): 1058503680

約数和(自身を除く): 651105680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 71, 76, 80, 95, 100, 125, 142, 151, 152, 190, 200, 250, 284, 302, 304, 355, 380, 400, 475, 500, 568, 604, 710, 755, 760, 950, 1000, 1136, 1208, 1349, 1420, 1510, 1520, 1775, 1900, 2000, 2375, 2416, 2698, 2840, 2869, 3020, 3550, 3775, 3800, 4750, 5396, 5680, 5738, 6040, 6745, 7100, 7550, 7600, 8875, 9500, 10721, 10792, 11476, 12080, 13490, 14200, 14345, 15100, 17750, 18875, 19000, 21442, 21584, 22952, 26980, 28400, 28690, 30200, 33725, 35500, 37750, 38000, 42884, 45904, 53605, 53960, 57380, 60400, 67450, 71000, 71725, 75500, 85768, 107210, 107920, 114760, 134900, 142000, 143450, 151000, 168625, 171536, 203699, 214420, 229520, 268025, 269800, 286900, 302000, 337250, 358625, 407398, 428840, 536050, 539600, 573800, 674500, 717250, 814796, 857680, 1018495, 1072100, 1147600, 1340125, 1349000, 1434500, 1629592, 2036990, 2144200, 2680250, 2698000, 2869000, 3259184, 4073980, 4288400, 5092475, 5360500, 5738000, 8147960, 10184950, 10721000, 16295920, 20369900, 21442000, 25462375, 40739800, 50924750, 81479600, 101849500, 203699000, 407398000]

約数ペア:

[(1, 407398000), (2, 203699000), (4, 101849500), (5, 81479600), (8, 50924750), (10, 40739800), (16, 25462375), (19, 21442000), (20, 20369900), (25, 16295920), (38, 10721000), (40, 10184950), (50, 8147960), (71, 5738000), (76, 5360500), (80, 5092475), (95, 4288400), (100, 4073980), (125, 3259184), (142, 2869000), (151, 2698000), (152, 2680250), (190, 2144200), (200, 2036990), (250, 1629592), (284, 1434500), (302, 1349000), (304, 1340125), (355, 1147600), (380, 1072100), (400, 1018495), (475, 857680), (500, 814796), (568, 717250), (604, 674500), (710, 573800), (755, 539600), (760, 536050), (950, 428840), (1000, 407398), (1136, 358625), (1208, 337250), (1349, 302000), (1420, 286900), (1510, 269800), (1520, 268025), (1775, 229520), (1900, 214420), (2000, 203699), (2375, 171536), (2416, 168625), (2698, 151000), (2840, 143450), (2869, 142000), (3020, 134900), (3550, 114760), (3775, 107920), (3800, 107210), (4750, 85768), (5396, 75500), (5680, 71725), (5738, 71000), (6040, 67450), (6745, 60400), (7100, 57380), (7550, 53960), (7600, 53605), (8875, 45904), (9500, 42884), (10721, 38000), (10792, 37750), (11476, 35500), (12080, 33725), (13490, 30200), (14200, 28690), (14345, 28400), (15100, 26980), (17750, 22952), (18875, 21584), (19000, 21442)]