78647530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 154752120

約数和(自身を除く): 76104590

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 173, 269, 338, 346, 538, 845, 865, 1345, 1690, 1730, 2249, 2690, 3497, 4498, 6994, 11245, 17485, 22490, 29237, 34970, 45461, 46537, 58474, 90922, 93074, 146185, 227305, 232685, 292370, 454610, 465370, 604981, 1209962, 3024905, 6049810, 7864753, 15729506, 39323765, 78647530]

約数ペア:

[(1, 78647530), (2, 39323765), (5, 15729506), (10, 7864753), (13, 6049810), (26, 3024905), (65, 1209962), (130, 604981), (169, 465370), (173, 454610), (269, 292370), (338, 232685), (346, 227305), (538, 146185), (845, 93074), (865, 90922), (1345, 58474), (1690, 46537), (1730, 45461), (2249, 34970), (2690, 29237), (3497, 22490), (4498, 17485), (6994, 11245)]