81822170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 162190080

約数和(自身を除く): 80367910

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 103, 113, 185, 190, 206, 226, 370, 515, 565, 703, 1030, 1130, 1406, 1957, 2147, 3515, 3811, 3914, 4181, 4294, 7030, 7622, 8362, 9785, 10735, 11639, 19055, 19570, 20905, 21470, 23278, 38110, 41810, 58195, 72409, 79439, 116390, 144818, 158878, 221141, 362045, 397195, 430643, 442282, 724090, 794390, 861286, 1105705, 2153215, 2211410, 4306430, 8182217, 16364434, 40911085, 81822170]

約数ペア:

[(1, 81822170), (2, 40911085), (5, 16364434), (10, 8182217), (19, 4306430), (37, 2211410), (38, 2153215), (74, 1105705), (95, 861286), (103, 794390), (113, 724090), (185, 442282), (190, 430643), (206, 397195), (226, 362045), (370, 221141), (515, 158878), (565, 144818), (703, 116390), (1030, 79439), (1130, 72409), (1406, 58195), (1957, 41810), (2147, 38110), (3515, 23278), (3811, 21470), (3914, 20905), (4181, 19570), (4294, 19055), (7030, 11639), (7622, 10735), (8362, 9785)]