211318250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:321

約数の個数: 128

約数和(自身を含む): 486839808

約数和(自身を除く): 275521558

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 25, 26, 46, 50, 55, 65, 110, 115, 125, 130, 143, 230, 250, 253, 257, 275, 286, 299, 325, 506, 514, 550, 575, 598, 650, 715, 1150, 1265, 1285, 1375, 1430, 1495, 1625, 2530, 2570, 2750, 2827, 2875, 2990, 3250, 3289, 3341, 3575, 5654, 5750, 5911, 6325, 6425, 6578, 6682, 7150, 7475, 11822, 12650, 12850, 14135, 14950, 16445, 16705, 17875, 28270, 29555, 31625, 32125, 32890, 33410, 35750, 36751, 37375, 59110, 63250, 64250, 65021, 70675, 73502, 74750, 76843, 82225, 83525, 130042, 141350, 147775, 153686, 164450, 167050, 183755, 295550, 325105, 353375, 367510, 384215, 411125, 417625, 650210, 706750, 738875, 768430, 822250, 835250, 845273, 918775, 1477750, 1625525, 1690546, 1837550, 1921075, 3251050, 3842150, 4226365, 4593875, 8127625, 8452730, 9187750, 9605375, 16255250, 19210750, 21131825, 42263650, 105659125, 211318250]

約数ペア:

[(1, 211318250), (2, 105659125), (5, 42263650), (10, 21131825), (11, 19210750), (13, 16255250), (22, 9605375), (23, 9187750), (25, 8452730), (26, 8127625), (46, 4593875), (50, 4226365), (55, 3842150), (65, 3251050), (110, 1921075), (115, 1837550), (125, 1690546), (130, 1625525), (143, 1477750), (230, 918775), (250, 845273), (253, 835250), (257, 822250), (275, 768430), (286, 738875), (299, 706750), (325, 650210), (506, 417625), (514, 411125), (550, 384215), (575, 367510), (598, 353375), (650, 325105), (715, 295550), (1150, 183755), (1265, 167050), (1285, 164450), (1375, 153686), (1430, 147775), (1495, 141350), (1625, 130042), (2530, 83525), (2570, 82225), (2750, 76843), (2827, 74750), (2875, 73502), (2990, 70675), (3250, 65021), (3289, 64250), (3341, 63250), (3575, 59110), (5654, 37375), (5750, 36751), (5911, 35750), (6325, 33410), (6425, 32890), (6578, 32125), (6682, 31625), (7150, 29555), (7475, 28270), (11822, 17875), (12650, 16705), (12850, 16445), (14135, 14950)]