111920140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{293}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 240045120

約数和(自身を除く): 128124980

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 269, 284, 293, 355, 538, 586, 710, 1076, 1172, 1345, 1420, 1465, 2690, 2930, 5380, 5860, 19099, 20803, 38198, 41606, 76396, 78817, 83212, 95495, 104015, 157634, 190990, 208030, 315268, 381980, 394085, 416060, 788170, 1576340, 5596007, 11192014, 22384028, 27980035, 55960070, 111920140]

約数ペア:

[(1, 111920140), (2, 55960070), (4, 27980035), (5, 22384028), (10, 11192014), (20, 5596007), (71, 1576340), (142, 788170), (269, 416060), (284, 394085), (293, 381980), (355, 315268), (538, 208030), (586, 190990), (710, 157634), (1076, 104015), (1172, 95495), (1345, 83212), (1420, 78817), (1465, 76396), (2690, 41606), (2930, 38198), (5380, 20803), (5860, 19099)]