28684710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{67}}^2\times {\mathrm{71}}^1$

素因数の和:218

約数の個数: 72

約数和(自身を含む): 76776336

約数和(自身を除く): 48091626

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 67, 71, 90, 134, 142, 201, 213, 335, 355, 402, 426, 603, 639, 670, 710, 1005, 1065, 1206, 1278, 2010, 2130, 3015, 3195, 4489, 4757, 6030, 6390, 8978, 9514, 13467, 14271, 22445, 23785, 26934, 28542, 40401, 42813, 44890, 47570, 67335, 71355, 80802, 85626, 134670, 142710, 202005, 214065, 318719, 404010, 428130, 637438, 956157, 1593595, 1912314, 2868471, 3187190, 4780785, 5736942, 9561570, 14342355, 28684710]

約数ペア:

[(1, 28684710), (2, 14342355), (3, 9561570), (5, 5736942), (6, 4780785), (9, 3187190), (10, 2868471), (15, 1912314), (18, 1593595), (30, 956157), (45, 637438), (67, 428130), (71, 404010), (90, 318719), (134, 214065), (142, 202005), (201, 142710), (213, 134670), (335, 85626), (355, 80802), (402, 71355), (426, 67335), (603, 47570), (639, 44890), (670, 42813), (710, 40401), (1005, 28542), (1065, 26934), (1206, 23785), (1278, 22445), (2010, 14271), (2130, 13467), (3015, 9514), (3195, 8978), (4489, 6390), (4757, 6030)]