206500540

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1\times {\mathrm{293}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 440082720

約数和(自身を除く): 233582180

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 269, 293, 524, 538, 586, 655, 1076, 1172, 1310, 1345, 1465, 2620, 2690, 2930, 5380, 5860, 35239, 38383, 70478, 76766, 78817, 140956, 153532, 157634, 176195, 191915, 315268, 352390, 383830, 394085, 704780, 767660, 788170, 1576340, 10325027, 20650054, 41300108, 51625135, 103250270, 206500540]

約数ペア:

[(1, 206500540), (2, 103250270), (4, 51625135), (5, 41300108), (10, 20650054), (20, 10325027), (131, 1576340), (262, 788170), (269, 767660), (293, 704780), (524, 394085), (538, 383830), (586, 352390), (655, 315268), (1076, 191915), (1172, 176195), (1310, 157634), (1345, 153532), (1465, 140956), (2620, 78817), (2690, 76766), (2930, 70478), (5380, 38383), (5860, 35239)]