218744240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19121}}^1$

素因数の和:19158

約数の個数: 80

約数和(自身を含む): 597524256

約数和(自身を除く): 378780016

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 19121, 38242, 76484, 95605, 152968, 191210, 210331, 248573, 305936, 382420, 420662, 497146, 764840, 841324, 994292, 1051655, 1242865, 1529680, 1682648, 1988584, 2103310, 2485730, 2734303, 3365296, 3977168, 4206620, 4971460, 5468606, 8413240, 9942920, 10937212, 13671515, 16826480, 19885840, 21874424, 27343030, 43748848, 54686060, 109372120, 218744240]

約数ペア:

[(1, 218744240), (2, 109372120), (4, 54686060), (5, 43748848), (8, 27343030), (10, 21874424), (11, 19885840), (13, 16826480), (16, 13671515), (20, 10937212), (22, 9942920), (26, 8413240), (40, 5468606), (44, 4971460), (52, 4206620), (55, 3977168), (65, 3365296), (80, 2734303), (88, 2485730), (104, 2103310), (110, 1988584), (130, 1682648), (143, 1529680), (176, 1242865), (208, 1051655), (220, 994292), (260, 841324), (286, 764840), (440, 497146), (520, 420662), (572, 382420), (715, 305936), (880, 248573), (1040, 210331), (1144, 191210), (1430, 152968), (2288, 95605), (2860, 76484), (5720, 38242), (11440, 19121)]