321855100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19991}}^1$

素因数の和:20035

約数の個数: 72

約数和(自身を含む): 832946688

約数和(自身を除く): 511091588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 575, 644, 700, 805, 1150, 1610, 2300, 3220, 4025, 8050, 16100, 19991, 39982, 79964, 99955, 139937, 199910, 279874, 399820, 459793, 499775, 559748, 699685, 919586, 999550, 1399370, 1839172, 1999100, 2298965, 2798740, 3218551, 3498425, 4597930, 6437102, 6996850, 9195860, 11494825, 12874204, 13993700, 16092755, 22989650, 32185510, 45979300, 64371020, 80463775, 160927550, 321855100]

約数ペア:

[(1, 321855100), (2, 160927550), (4, 80463775), (5, 64371020), (7, 45979300), (10, 32185510), (14, 22989650), (20, 16092755), (23, 13993700), (25, 12874204), (28, 11494825), (35, 9195860), (46, 6996850), (50, 6437102), (70, 4597930), (92, 3498425), (100, 3218551), (115, 2798740), (140, 2298965), (161, 1999100), (175, 1839172), (230, 1399370), (322, 999550), (350, 919586), (460, 699685), (575, 559748), (644, 499775), (700, 459793), (805, 399820), (1150, 279874), (1610, 199910), (2300, 139937), (3220, 99955), (4025, 79964), (8050, 39982), (16100, 19991)]