508799920

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 1205235360

約数和(自身を除く): 696435440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 173, 194, 346, 379, 388, 485, 692, 758, 776, 865, 970, 1384, 1516, 1552, 1730, 1895, 1940, 2768, 3032, 3460, 3790, 3880, 6064, 6920, 7580, 7760, 13840, 15160, 16781, 30320, 33562, 36763, 65567, 67124, 73526, 83905, 131134, 134248, 147052, 167810, 183815, 262268, 268496, 294104, 327835, 335620, 367630, 524536, 588208, 655670, 671240, 735260, 1049072, 1311340, 1342480, 1470520, 2622680, 2941040, 5245360, 6359999, 12719998, 25439996, 31799995, 50879992, 63599990, 101759984, 127199980, 254399960, 508799920]

約数ペア:

[(1, 508799920), (2, 254399960), (4, 127199980), (5, 101759984), (8, 63599990), (10, 50879992), (16, 31799995), (20, 25439996), (40, 12719998), (80, 6359999), (97, 5245360), (173, 2941040), (194, 2622680), (346, 1470520), (379, 1342480), (388, 1311340), (485, 1049072), (692, 735260), (758, 671240), (776, 655670), (865, 588208), (970, 524536), (1384, 367630), (1516, 335620), (1552, 327835), (1730, 294104), (1895, 268496), (1940, 262268), (2768, 183815), (3032, 167810), (3460, 147052), (3790, 134248), (3880, 131134), (6064, 83905), (6920, 73526), (7580, 67124), (7760, 65567), (13840, 36763), (15160, 33562), (16781, 30320)]