212984520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{253553}}^1$

素因数の和:253574

約数の個数: 64

約数和(自身を含む): 730235520

約数和(自身を除く): 517251000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 253553, 507106, 760659, 1014212, 1267765, 1521318, 1774871, 2028424, 2535530, 3042636, 3549742, 3803295, 5071060, 5324613, 6085272, 7099484, 7606590, 8874355, 10142120, 10649226, 14198968, 15213180, 17748710, 21298452, 26623065, 30426360, 35497420, 42596904, 53246130, 70994840, 106492260, 212984520]

約数ペア:

[(1, 212984520), (2, 106492260), (3, 70994840), (4, 53246130), (5, 42596904), (6, 35497420), (7, 30426360), (8, 26623065), (10, 21298452), (12, 17748710), (14, 15213180), (15, 14198968), (20, 10649226), (21, 10142120), (24, 8874355), (28, 7606590), (30, 7099484), (35, 6085272), (40, 5324613), (42, 5071060), (56, 3803295), (60, 3549742), (70, 3042636), (84, 2535530), (105, 2028424), (120, 1774871), (140, 1521318), (168, 1267765), (210, 1014212), (280, 760659), (420, 507106), (840, 253553)]