209935320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{249923}}^1$

素因数の和:249944

約数の個数: 64

約数和(自身を含む): 719781120

約数和(自身を除く): 509845800

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, 249923, 499846, 749769, 999692, 1249615, 1499538, 1749461, 1999384, 2499230, 2999076, 3498922, 3748845, 4998460, 5248383, 5998152, 6997844, 7497690, 8747305, 9996920, 10496766, 13995688, 14995380, 17494610, 20993532, 26241915, 29990760, 34989220, 41987064, 52483830, 69978440, 104967660, 209935320]

約数ペア:

[(1, 209935320), (2, 104967660), (3, 69978440), (4, 52483830), (5, 41987064), (6, 34989220), (7, 29990760), (8, 26241915), (10, 20993532), (12, 17494610), (14, 14995380), (15, 13995688), (20, 10496766), (21, 9996920), (24, 8747305), (28, 7497690), (30, 6997844), (35, 5998152), (40, 5248383), (42, 4998460), (56, 3748845), (60, 3498922), (70, 2999076), (84, 2499230), (105, 1999384), (120, 1749461), (140, 1499538), (168, 1249615), (210, 999692), (280, 749769), (420, 499846), (840, 249923)]