28702920970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1\times {\mathrm{953}}^1$

素因数の和:1879

約数の個数: 64

約数和(自身を含む): 53584882560

約数和(自身を除く): 24881961590

約数列:

[1, 2, 5, 10, 43, 86, 89, 178, 215, 430, 445, 787, 890, 953, 1574, 1906, 3827, 3935, 4765, 7654, 7870, 9530, 19135, 33841, 38270, 40979, 67682, 70043, 81958, 84817, 140086, 169205, 169634, 204895, 338410, 350215, 409790, 424085, 700430, 750011, 848170, 1500022, 3011849, 3647131, 3750055, 6023698, 7294262, 7500110, 15059245, 18235655, 30118490, 32250473, 36471310, 64500946, 66750979, 133501958, 161252365, 322504730, 333754895, 667509790, 2870292097, 5740584194, 14351460485, 28702920970]

約数ペア:

[(1, 28702920970), (2, 14351460485), (5, 5740584194), (10, 2870292097), (43, 667509790), (86, 333754895), (89, 322504730), (178, 161252365), (215, 133501958), (430, 66750979), (445, 64500946), (787, 36471310), (890, 32250473), (953, 30118490), (1574, 18235655), (1906, 15059245), (3827, 7500110), (3935, 7294262), (4765, 6023698), (7654, 3750055), (7870, 3647131), (9530, 3011849), (19135, 1500022), (33841, 848170), (38270, 750011), (40979, 700430), (67682, 424085), (70043, 409790), (81958, 350215), (84817, 338410), (140086, 204895), (169205, 169634)]