208540960

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{379}}^1$

素因数の和:594

約数の個数: 96

約数和(自身を含む): 522849600

約数和(自身を除く): 314308640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 181, 190, 304, 362, 379, 380, 608, 724, 758, 760, 905, 1448, 1516, 1520, 1810, 1895, 2896, 3032, 3040, 3439, 3620, 3790, 5792, 6064, 6878, 7201, 7240, 7580, 12128, 13756, 14402, 14480, 15160, 17195, 27512, 28804, 28960, 30320, 34390, 36005, 55024, 57608, 60640, 68599, 68780, 72010, 110048, 115216, 137198, 137560, 144020, 230432, 274396, 275120, 288040, 342995, 548792, 550240, 576080, 685990, 1097584, 1152160, 1303381, 1371980, 2195168, 2606762, 2743960, 5213524, 5487920, 6516905, 10427048, 10975840, 13033810, 20854096, 26067620, 41708192, 52135240, 104270480, 208540960]

約数ペア:

[(1, 208540960), (2, 104270480), (4, 52135240), (5, 41708192), (8, 26067620), (10, 20854096), (16, 13033810), (19, 10975840), (20, 10427048), (32, 6516905), (38, 5487920), (40, 5213524), (76, 2743960), (80, 2606762), (95, 2195168), (152, 1371980), (160, 1303381), (181, 1152160), (190, 1097584), (304, 685990), (362, 576080), (379, 550240), (380, 548792), (608, 342995), (724, 288040), (758, 275120), (760, 274396), (905, 230432), (1448, 144020), (1516, 137560), (1520, 137198), (1810, 115216), (1895, 110048), (2896, 72010), (3032, 68780), (3040, 68599), (3439, 60640), (3620, 57608), (3790, 55024), (5792, 36005), (6064, 34390), (6878, 30320), (7201, 28960), (7240, 28804), (7580, 27512), (12128, 17195), (13756, 15160), (14402, 14480)]