238025740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{643}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 508935168

約数和(自身を除く): 270909428

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 223, 332, 415, 446, 643, 830, 892, 1115, 1286, 1660, 2230, 2572, 3215, 4460, 6430, 12860, 18509, 37018, 53369, 74036, 92545, 106738, 143389, 185090, 213476, 266845, 286778, 370180, 533690, 573556, 716945, 1067380, 1433890, 2867780, 11901287, 23802574, 47605148, 59506435, 119012870, 238025740]

約数ペア:

[(1, 238025740), (2, 119012870), (4, 59506435), (5, 47605148), (10, 23802574), (20, 11901287), (83, 2867780), (166, 1433890), (223, 1067380), (332, 716945), (415, 573556), (446, 533690), (643, 370180), (830, 286778), (892, 266845), (1115, 213476), (1286, 185090), (1660, 143389), (2230, 106738), (2572, 92545), (3215, 74036), (4460, 53369), (6430, 37018), (12860, 18509)]