2019798920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{23131}}^1$

素因数の和:23238

約数の個数: 64

約数和(自身を含む): 4746686400

約数和(自身を除く): 2726887480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 59, 74, 118, 148, 185, 236, 295, 296, 370, 472, 590, 740, 1180, 1480, 2183, 2360, 4366, 8732, 10915, 17464, 21830, 23131, 43660, 46262, 87320, 92524, 115655, 185048, 231310, 462620, 855847, 925240, 1364729, 1711694, 2729458, 3423388, 4279235, 5458916, 6823645, 6846776, 8558470, 10917832, 13647290, 17116940, 27294580, 34233880, 50494973, 54589160, 100989946, 201979892, 252474865, 403959784, 504949730, 1009899460, 2019798920]

約数ペア:

[(1, 2019798920), (2, 1009899460), (4, 504949730), (5, 403959784), (8, 252474865), (10, 201979892), (20, 100989946), (37, 54589160), (40, 50494973), (59, 34233880), (74, 27294580), (118, 17116940), (148, 13647290), (185, 10917832), (236, 8558470), (295, 6846776), (296, 6823645), (370, 5458916), (472, 4279235), (590, 3423388), (740, 2729458), (1180, 1711694), (1480, 1364729), (2183, 925240), (2360, 855847), (4366, 462620), (8732, 231310), (10915, 185048), (17464, 115655), (21830, 92524), (23131, 87320), (43660, 46262)]