28949870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{659}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 54743040

約数和(自身を除く): 25793170

約数列:

[1, 2, 5, 10, 23, 46, 115, 191, 230, 382, 659, 955, 1318, 1910, 3295, 4393, 6590, 8786, 15157, 21965, 30314, 43930, 75785, 125869, 151570, 251738, 629345, 1258690, 2894987, 5789974, 14474935, 28949870]

約数ペア:

[(1, 28949870), (2, 14474935), (5, 5789974), (10, 2894987), (23, 1258690), (46, 629345), (115, 251738), (191, 151570), (230, 125869), (382, 75785), (659, 43930), (955, 30314), (1318, 21965), (1910, 15157), (3295, 8786), (4393, 6590)]