220161290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 429048576

約数和(自身を除く): 208887286

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 113, 115, 197, 215, 226, 230, 394, 430, 565, 985, 989, 1130, 1970, 1978, 2599, 4531, 4859, 4945, 5198, 8471, 9062, 9718, 9890, 12995, 16942, 22261, 22655, 24295, 25990, 42355, 44522, 45310, 48590, 84710, 111305, 111757, 194833, 222610, 223514, 389666, 512003, 558785, 957223, 974165, 1024006, 1117570, 1914446, 1948330, 2560015, 4786115, 5120030, 9572230, 22016129, 44032258, 110080645, 220161290]

約数ペア:

[(1, 220161290), (2, 110080645), (5, 44032258), (10, 22016129), (23, 9572230), (43, 5120030), (46, 4786115), (86, 2560015), (113, 1948330), (115, 1914446), (197, 1117570), (215, 1024006), (226, 974165), (230, 957223), (394, 558785), (430, 512003), (565, 389666), (985, 223514), (989, 222610), (1130, 194833), (1970, 111757), (1978, 111305), (2599, 84710), (4531, 48590), (4859, 45310), (4945, 44522), (5198, 42355), (8471, 25990), (9062, 24295), (9718, 22655), (9890, 22261), (12995, 16942)]