291270730

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 560249856

約数和(自身を除く): 268979126

約数列:

[1, 2, 5, 10, 31, 61, 62, 73, 122, 146, 155, 211, 305, 310, 365, 422, 610, 730, 1055, 1891, 2110, 2263, 3782, 4453, 4526, 6541, 8906, 9455, 11315, 12871, 13082, 15403, 18910, 22265, 22630, 25742, 30806, 32705, 44530, 64355, 65410, 77015, 128710, 138043, 154030, 276086, 399001, 477493, 690215, 798002, 939583, 954986, 1380430, 1879166, 1995005, 2387465, 3990010, 4697915, 4774930, 9395830, 29127073, 58254146, 145635365, 291270730]

約数ペア:

[(1, 291270730), (2, 145635365), (5, 58254146), (10, 29127073), (31, 9395830), (61, 4774930), (62, 4697915), (73, 3990010), (122, 2387465), (146, 1995005), (155, 1879166), (211, 1380430), (305, 954986), (310, 939583), (365, 798002), (422, 690215), (610, 477493), (730, 399001), (1055, 276086), (1891, 154030), (2110, 138043), (2263, 128710), (3782, 77015), (4453, 65410), (4526, 64355), (6541, 44530), (8906, 32705), (9455, 30806), (11315, 25742), (12871, 22630), (13082, 22265), (15403, 18910)]