2451820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 5983488

約数和(自身を除く): 3531668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 211, 332, 415, 422, 581, 830, 844, 1055, 1162, 1477, 1660, 2110, 2324, 2905, 2954, 4220, 5810, 5908, 7385, 11620, 14770, 17513, 29540, 35026, 70052, 87565, 122591, 175130, 245182, 350260, 490364, 612955, 1225910, 2451820]

約数ペア:

[(1, 2451820), (2, 1225910), (4, 612955), (5, 490364), (7, 350260), (10, 245182), (14, 175130), (20, 122591), (28, 87565), (35, 70052), (70, 35026), (83, 29540), (140, 17513), (166, 14770), (211, 11620), (332, 7385), (415, 5908), (422, 5810), (581, 4220), (830, 2954), (844, 2905), (1055, 2324), (1162, 2110), (1477, 1660)]