508721220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1571}}^1$

素因数の和:1850

約数の個数: 144

約数和(自身を含む): 1771555968

約数和(自身を除く): 1262834748

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 257, 315, 420, 514, 630, 771, 1028, 1260, 1285, 1542, 1571, 1799, 2313, 2570, 3084, 3142, 3598, 3855, 4626, 4713, 5140, 5397, 6284, 7196, 7710, 7855, 8995, 9252, 9426, 10794, 10997, 11565, 14139, 15420, 15710, 16191, 17990, 18852, 21588, 21994, 23130, 23565, 26985, 28278, 31420, 32382, 32991, 35980, 43988, 46260, 47130, 53970, 54985, 56556, 64764, 65982, 70695, 80955, 94260, 98973, 107940, 109970, 131964, 141390, 161910, 164955, 197946, 219940, 282780, 323820, 329910, 395892, 403747, 494865, 659820, 807494, 989730, 1211241, 1614988, 1979460, 2018735, 2422482, 2826229, 3633723, 4037470, 4844964, 5652458, 6056205, 7267446, 8074940, 8478687, 11304916, 12112410, 14131145, 14534892, 16957374, 18168615, 24224820, 25436061, 28262290, 33914748, 36337230, 42393435, 50872122, 56524580, 72674460, 84786870, 101744244, 127180305, 169573740, 254360610, 508721220]

約数ペア:

[(1, 508721220), (2, 254360610), (3, 169573740), (4, 127180305), (5, 101744244), (6, 84786870), (7, 72674460), (9, 56524580), (10, 50872122), (12, 42393435), (14, 36337230), (15, 33914748), (18, 28262290), (20, 25436061), (21, 24224820), (28, 18168615), (30, 16957374), (35, 14534892), (36, 14131145), (42, 12112410), (45, 11304916), (60, 8478687), (63, 8074940), (70, 7267446), (84, 6056205), (90, 5652458), (105, 4844964), (126, 4037470), (140, 3633723), (180, 2826229), (210, 2422482), (252, 2018735), (257, 1979460), (315, 1614988), (420, 1211241), (514, 989730), (630, 807494), (771, 659820), (1028, 494865), (1260, 403747), (1285, 395892), (1542, 329910), (1571, 323820), (1799, 282780), (2313, 219940), (2570, 197946), (3084, 164955), (3142, 161910), (3598, 141390), (3855, 131964), (4626, 109970), (4713, 107940), (5140, 98973), (5397, 94260), (6284, 80955), (7196, 70695), (7710, 65982), (7855, 64764), (8995, 56556), (9252, 54985), (9426, 53970), (10794, 47130), (10997, 46260), (11565, 43988), (14139, 35980), (15420, 32991), (15710, 32382), (16191, 31420), (17990, 28278), (18852, 26985), (21588, 23565), (21994, 23130)]