2019384020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:561

約数の個数: 96

約数和(自身を含む): 4484422656

約数和(自身を除く): 2465038636

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 173, 268, 281, 310, 335, 346, 562, 620, 670, 692, 865, 1124, 1340, 1405, 1730, 2077, 2810, 3460, 4154, 5363, 5620, 8308, 8711, 10385, 10726, 11591, 17422, 18827, 20770, 21452, 23182, 26815, 34844, 37654, 41540, 43555, 46364, 48613, 53630, 57955, 75308, 87110, 94135, 97226, 107260, 115910, 174220, 188270, 194452, 231820, 243065, 359321, 376540, 486130, 583637, 718642, 972260, 1167274, 1437284, 1507003, 1796605, 2334548, 2918185, 3014006, 3257071, 3593210, 5836370, 6028012, 6514142, 7186420, 7535015, 11672740, 13028284, 15070030, 16285355, 30140060, 32570710, 65141420, 100969201, 201938402, 403876804, 504846005, 1009692010, 2019384020]

約数ペア:

[(1, 2019384020), (2, 1009692010), (4, 504846005), (5, 403876804), (10, 201938402), (20, 100969201), (31, 65141420), (62, 32570710), (67, 30140060), (124, 16285355), (134, 15070030), (155, 13028284), (173, 11672740), (268, 7535015), (281, 7186420), (310, 6514142), (335, 6028012), (346, 5836370), (562, 3593210), (620, 3257071), (670, 3014006), (692, 2918185), (865, 2334548), (1124, 1796605), (1340, 1507003), (1405, 1437284), (1730, 1167274), (2077, 972260), (2810, 718642), (3460, 583637), (4154, 486130), (5363, 376540), (5620, 359321), (8308, 243065), (8711, 231820), (10385, 194452), (10726, 188270), (11591, 174220), (17422, 115910), (18827, 107260), (20770, 97226), (21452, 94135), (23182, 87110), (26815, 75308), (34844, 57955), (37654, 53630), (41540, 48613), (43555, 46364)]