28249710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 70709760

約数和(自身を除く): 42460050

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 61, 86, 122, 129, 183, 215, 258, 305, 359, 366, 430, 610, 645, 718, 915, 1077, 1290, 1795, 1830, 2154, 2623, 3590, 5246, 5385, 7869, 10770, 13115, 15437, 15738, 21899, 26230, 30874, 39345, 43798, 46311, 65697, 77185, 78690, 92622, 109495, 131394, 154370, 218990, 231555, 328485, 463110, 656970, 941657, 1883314, 2824971, 4708285, 5649942, 9416570, 14124855, 28249710]

約数ペア:

[(1, 28249710), (2, 14124855), (3, 9416570), (5, 5649942), (6, 4708285), (10, 2824971), (15, 1883314), (30, 941657), (43, 656970), (61, 463110), (86, 328485), (122, 231555), (129, 218990), (183, 154370), (215, 131394), (258, 109495), (305, 92622), (359, 78690), (366, 77185), (430, 65697), (610, 46311), (645, 43798), (718, 39345), (915, 30874), (1077, 26230), (1290, 21899), (1795, 15738), (1830, 15437), (2154, 13115), (2623, 10770), (3590, 7869), (5246, 5385)]