419870640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{249923}}^1$

素因数の和:249946

約数の個数: 80

約数和(自身を含む): 1487547648

約数和(自身を除く): 1067677008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 249923, 499846, 749769, 999692, 1249615, 1499538, 1749461, 1999384, 2499230, 2999076, 3498922, 3748845, 3998768, 4998460, 5248383, 5998152, 6997844, 7497690, 8747305, 9996920, 10496766, 11996304, 13995688, 14995380, 17494610, 19993840, 20993532, 26241915, 27991376, 29990760, 34989220, 41987064, 52483830, 59981520, 69978440, 83974128, 104967660, 139956880, 209935320, 419870640]

約数ペア:

[(1, 419870640), (2, 209935320), (3, 139956880), (4, 104967660), (5, 83974128), (6, 69978440), (7, 59981520), (8, 52483830), (10, 41987064), (12, 34989220), (14, 29990760), (15, 27991376), (16, 26241915), (20, 20993532), (21, 19993840), (24, 17494610), (28, 14995380), (30, 13995688), (35, 11996304), (40, 10496766), (42, 9996920), (48, 8747305), (56, 7497690), (60, 6997844), (70, 5998152), (80, 5248383), (84, 4998460), (105, 3998768), (112, 3748845), (120, 3498922), (140, 2999076), (168, 2499230), (210, 1999384), (240, 1749461), (280, 1499538), (336, 1249615), (420, 999692), (560, 749769), (840, 499846), (1680, 249923)]