771307990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{311}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 1494484992

約数和(自身を除く): 723177002

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 115, 205, 230, 263, 311, 410, 526, 622, 943, 1315, 1555, 1886, 2630, 3110, 4715, 6049, 7153, 9430, 10783, 12098, 12751, 14306, 21566, 25502, 30245, 35765, 53915, 60490, 63755, 71530, 81793, 107830, 127510, 163586, 248009, 293273, 408965, 496018, 586546, 817930, 1240045, 1466365, 1881239, 2480090, 2932730, 3353513, 3762478, 6707026, 9406195, 16767565, 18812390, 33535130, 77130799, 154261598, 385653995, 771307990]

約数ペア:

[(1, 771307990), (2, 385653995), (5, 154261598), (10, 77130799), (23, 33535130), (41, 18812390), (46, 16767565), (82, 9406195), (115, 6707026), (205, 3762478), (230, 3353513), (263, 2932730), (311, 2480090), (410, 1881239), (526, 1466365), (622, 1240045), (943, 817930), (1315, 586546), (1555, 496018), (1886, 408965), (2630, 293273), (3110, 248009), (4715, 163586), (6049, 127510), (7153, 107830), (9430, 81793), (10783, 71530), (12098, 63755), (12751, 60490), (14306, 53915), (21566, 35765), (25502, 30245)]