28130970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1381}}^1$

素因数の和:1495

約数の個数: 64

約数和(自身を含む): 78011136

約数和(自身を除く): 49880166

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 97, 105, 194, 210, 291, 485, 582, 679, 970, 1358, 1381, 1455, 2037, 2762, 2910, 3395, 4074, 4143, 6790, 6905, 8286, 9667, 10185, 13810, 19334, 20370, 20715, 29001, 41430, 48335, 58002, 96670, 133957, 145005, 267914, 290010, 401871, 669785, 803742, 937699, 1339570, 1875398, 2009355, 2813097, 4018710, 4688495, 5626194, 9376990, 14065485, 28130970]

約数ペア:

[(1, 28130970), (2, 14065485), (3, 9376990), (5, 5626194), (6, 4688495), (7, 4018710), (10, 2813097), (14, 2009355), (15, 1875398), (21, 1339570), (30, 937699), (35, 803742), (42, 669785), (70, 401871), (97, 290010), (105, 267914), (194, 145005), (210, 133957), (291, 96670), (485, 58002), (582, 48335), (679, 41430), (970, 29001), (1358, 20715), (1381, 20370), (1455, 19334), (2037, 13810), (2762, 10185), (2910, 9667), (3395, 8286), (4074, 6905), (4143, 6790)]