31860290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 76235904

約数和(自身を除く): 44375614

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 49, 55, 70, 77, 98, 110, 115, 154, 161, 230, 245, 253, 257, 322, 385, 490, 506, 514, 539, 770, 805, 1078, 1127, 1265, 1285, 1610, 1771, 1799, 2254, 2530, 2570, 2695, 2827, 3542, 3598, 5390, 5635, 5654, 5911, 8855, 8995, 11270, 11822, 12397, 12593, 14135, 17710, 17990, 19789, 24794, 25186, 28270, 29555, 39578, 41377, 59110, 61985, 62965, 65021, 82754, 98945, 123970, 125930, 130042, 138523, 197890, 206885, 277046, 289639, 325105, 413770, 455147, 579278, 650210, 692615, 910294, 1385230, 1448195, 2275735, 2896390, 3186029, 4551470, 6372058, 15930145, 31860290]

約数ペア:

[(1, 31860290), (2, 15930145), (5, 6372058), (7, 4551470), (10, 3186029), (11, 2896390), (14, 2275735), (22, 1448195), (23, 1385230), (35, 910294), (46, 692615), (49, 650210), (55, 579278), (70, 455147), (77, 413770), (98, 325105), (110, 289639), (115, 277046), (154, 206885), (161, 197890), (230, 138523), (245, 130042), (253, 125930), (257, 123970), (322, 98945), (385, 82754), (490, 65021), (506, 62965), (514, 61985), (539, 59110), (770, 41377), (805, 39578), (1078, 29555), (1127, 28270), (1265, 25186), (1285, 24794), (1610, 19789), (1771, 17990), (1799, 17710), (2254, 14135), (2530, 12593), (2570, 12397), (2695, 11822), (2827, 11270), (3542, 8995), (3598, 8855), (5390, 5911), (5635, 5654)]