913702940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1\times {\mathrm{1657}}^1$

素因数の和:2094

約数の個数: 48

約数和(自身を含む): 1949808000

約数和(自身を除く): 1036105060

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 349, 395, 698, 790, 1396, 1580, 1657, 1745, 3314, 3490, 6628, 6980, 8285, 16570, 27571, 33140, 55142, 110284, 130903, 137855, 261806, 275710, 523612, 551420, 578293, 654515, 1156586, 1309030, 2313172, 2618060, 2891465, 5782930, 11565860, 45685147, 91370294, 182740588, 228425735, 456851470, 913702940]

約数ペア:

[(1, 913702940), (2, 456851470), (4, 228425735), (5, 182740588), (10, 91370294), (20, 45685147), (79, 11565860), (158, 5782930), (316, 2891465), (349, 2618060), (395, 2313172), (698, 1309030), (790, 1156586), (1396, 654515), (1580, 578293), (1657, 551420), (1745, 523612), (3314, 275710), (3490, 261806), (6628, 137855), (6980, 130903), (8285, 110284), (16570, 55142), (27571, 33140)]