320747181950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{21454661}}^1$

素因数の和:21454709

約数の個数: 48

約数和(自身を含む): 670415278176

約数和(自身を除く): 349668096226

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 230, 299, 325, 575, 598, 650, 1150, 1495, 2990, 7475, 14950, 21454661, 42909322, 107273305, 214546610, 278910593, 493457203, 536366525, 557821186, 986914406, 1072733050, 1394552965, 2467286015, 2789105930, 4934572030, 6414943639, 6972764825, 12336430075, 12829887278, 13945529650, 24672860150, 32074718195, 64149436390, 160373590975, 320747181950]

約数ペア:

[(1, 320747181950), (2, 160373590975), (5, 64149436390), (10, 32074718195), (13, 24672860150), (23, 13945529650), (25, 12829887278), (26, 12336430075), (46, 6972764825), (50, 6414943639), (65, 4934572030), (115, 2789105930), (130, 2467286015), (230, 1394552965), (299, 1072733050), (325, 986914406), (575, 557821186), (598, 536366525), (650, 493457203), (1150, 278910593), (1495, 214546610), (2990, 107273305), (7475, 42909322), (14950, 21454661)]