1997750

素因数分解:

$2^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 3830112

約数和(自身を除く): 1832362

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 125, 131, 250, 262, 305, 610, 655, 1310, 1525, 3050, 3275, 6550, 7625, 7991, 15250, 15982, 16375, 32750, 39955, 79910, 199775, 399550, 998875, 1997750]

約数ペア:

[(1, 1997750), (2, 998875), (5, 399550), (10, 199775), (25, 79910), (50, 39955), (61, 32750), (122, 16375), (125, 15982), (131, 15250), (250, 7991), (262, 7625), (305, 6550), (610, 3275), (655, 3050), (1310, 1525)]