7842770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 16498944

約数和(自身を除く): 8656174

約数列:

[1, 2, 5, 10, 13, 23, 26, 43, 46, 61, 65, 86, 115, 122, 130, 215, 230, 299, 305, 430, 559, 598, 610, 793, 989, 1118, 1403, 1495, 1586, 1978, 2623, 2795, 2806, 2990, 3965, 4945, 5246, 5590, 7015, 7930, 9890, 12857, 13115, 14030, 18239, 25714, 26230, 34099, 36478, 60329, 64285, 68198, 91195, 120658, 128570, 170495, 182390, 301645, 340990, 603290, 784277, 1568554, 3921385, 7842770]

約数ペア:

[(1, 7842770), (2, 3921385), (5, 1568554), (10, 784277), (13, 603290), (23, 340990), (26, 301645), (43, 182390), (46, 170495), (61, 128570), (65, 120658), (86, 91195), (115, 68198), (122, 64285), (130, 60329), (215, 36478), (230, 34099), (299, 26230), (305, 25714), (430, 18239), (559, 14030), (598, 13115), (610, 12857), (793, 9890), (989, 7930), (1118, 7015), (1403, 5590), (1495, 5246), (1586, 4945), (1978, 3965), (2623, 2990), (2795, 2806)]