157215370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{5281}}^1$

素因数の和:5530

約数の個数: 32

約数和(自身を含む): 306144720

約数和(自身を除く): 148929350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 229, 458, 1145, 2290, 2977, 5281, 5954, 10562, 14885, 26405, 29770, 52810, 68653, 137306, 343265, 686530, 1209349, 2418698, 6046745, 12093490, 15721537, 31443074, 78607685, 157215370]

約数ペア:

[(1, 157215370), (2, 78607685), (5, 31443074), (10, 15721537), (13, 12093490), (26, 6046745), (65, 2418698), (130, 1209349), (229, 686530), (458, 343265), (1145, 137306), (2290, 68653), (2977, 52810), (5281, 29770), (5954, 26405), (10562, 14885)]