13021400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 35354880

約数和(自身を除く): 22333480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 71, 100, 131, 140, 142, 175, 200, 262, 280, 284, 350, 355, 497, 524, 568, 655, 700, 710, 917, 994, 1048, 1310, 1400, 1420, 1775, 1834, 1988, 2485, 2620, 2840, 3275, 3550, 3668, 3976, 4585, 4970, 5240, 6550, 7100, 7336, 9170, 9301, 9940, 12425, 13100, 14200, 18340, 18602, 19880, 22925, 24850, 26200, 36680, 37204, 45850, 46505, 49700, 65107, 74408, 91700, 93010, 99400, 130214, 183400, 186020, 232525, 260428, 325535, 372040, 465050, 520856, 651070, 930100, 1302140, 1627675, 1860200, 2604280, 3255350, 6510700, 13021400]

約数ペア:

[(1, 13021400), (2, 6510700), (4, 3255350), (5, 2604280), (7, 1860200), (8, 1627675), (10, 1302140), (14, 930100), (20, 651070), (25, 520856), (28, 465050), (35, 372040), (40, 325535), (50, 260428), (56, 232525), (70, 186020), (71, 183400), (100, 130214), (131, 99400), (140, 93010), (142, 91700), (175, 74408), (200, 65107), (262, 49700), (280, 46505), (284, 45850), (350, 37204), (355, 36680), (497, 26200), (524, 24850), (568, 22925), (655, 19880), (700, 18602), (710, 18340), (917, 14200), (994, 13100), (1048, 12425), (1310, 9940), (1400, 9301), (1420, 9170), (1775, 7336), (1834, 7100), (1988, 6550), (2485, 5240), (2620, 4970), (2840, 4585), (3275, 3976), (3550, 3668)]