505999760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{3359}}^1$

素因数の和:3648

約数の個数: 80

約数和(自身を含む): 1349913600

約数和(自身を除く): 843913840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 269, 280, 538, 560, 1076, 1345, 1883, 2152, 2690, 3359, 3766, 4304, 5380, 6718, 7532, 9415, 10760, 13436, 15064, 16795, 18830, 21520, 23513, 26872, 30128, 33590, 37660, 47026, 53744, 67180, 75320, 94052, 117565, 134360, 150640, 188104, 235130, 268720, 376208, 470260, 903571, 940520, 1807142, 1881040, 3614284, 4517855, 6324997, 7228568, 9035710, 12649994, 14457136, 18071420, 25299988, 31624985, 36142840, 50599976, 63249970, 72285680, 101199952, 126499940, 252999880, 505999760]

約数ペア:

[(1, 505999760), (2, 252999880), (4, 126499940), (5, 101199952), (7, 72285680), (8, 63249970), (10, 50599976), (14, 36142840), (16, 31624985), (20, 25299988), (28, 18071420), (35, 14457136), (40, 12649994), (56, 9035710), (70, 7228568), (80, 6324997), (112, 4517855), (140, 3614284), (269, 1881040), (280, 1807142), (538, 940520), (560, 903571), (1076, 470260), (1345, 376208), (1883, 268720), (2152, 235130), (2690, 188104), (3359, 150640), (3766, 134360), (4304, 117565), (5380, 94052), (6718, 75320), (7532, 67180), (9415, 53744), (10760, 47026), (13436, 37660), (15064, 33590), (16795, 30128), (18830, 26872), (21520, 23513)]