858980000

素因数分解:

$2^5\times 5^4\times {\mathrm{29}}^1\times {\mathrm{1481}}^1$

素因数の和:1540

約数の個数: 120

約数和(自身を含む): 2187565380

約数和(自身を除く): 1328585380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 80, 100, 116, 125, 145, 160, 200, 232, 250, 290, 400, 464, 500, 580, 625, 725, 800, 928, 1000, 1160, 1250, 1450, 1481, 2000, 2320, 2500, 2900, 2962, 3625, 4000, 4640, 5000, 5800, 5924, 7250, 7405, 10000, 11600, 11848, 14500, 14810, 18125, 20000, 23200, 23696, 29000, 29620, 36250, 37025, 42949, 47392, 58000, 59240, 72500, 74050, 85898, 116000, 118480, 145000, 148100, 171796, 185125, 214745, 236960, 290000, 296200, 343592, 370250, 429490, 580000, 592400, 687184, 740500, 858980, 925625, 1073725, 1184800, 1374368, 1481000, 1717960, 1851250, 2147450, 2962000, 3435920, 3702500, 4294900, 5368625, 5924000, 6871840, 7405000, 8589800, 10737250, 14810000, 17179600, 21474500, 26843125, 29620000, 34359200, 42949000, 53686250, 85898000, 107372500, 171796000, 214745000, 429490000, 858980000]

約数ペア:

[(1, 858980000), (2, 429490000), (4, 214745000), (5, 171796000), (8, 107372500), (10, 85898000), (16, 53686250), (20, 42949000), (25, 34359200), (29, 29620000), (32, 26843125), (40, 21474500), (50, 17179600), (58, 14810000), (80, 10737250), (100, 8589800), (116, 7405000), (125, 6871840), (145, 5924000), (160, 5368625), (200, 4294900), (232, 3702500), (250, 3435920), (290, 2962000), (400, 2147450), (464, 1851250), (500, 1717960), (580, 1481000), (625, 1374368), (725, 1184800), (800, 1073725), (928, 925625), (1000, 858980), (1160, 740500), (1250, 687184), (1450, 592400), (1481, 580000), (2000, 429490), (2320, 370250), (2500, 343592), (2900, 296200), (2962, 290000), (3625, 236960), (4000, 214745), (4640, 185125), (5000, 171796), (5800, 148100), (5924, 145000), (7250, 118480), (7405, 116000), (10000, 85898), (11600, 74050), (11848, 72500), (14500, 59240), (14810, 58000), (18125, 47392), (20000, 42949), (23200, 37025), (23696, 36250), (29000, 29620)]