1857775540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{347}}^1$

素因数の和:641

約数の個数: 96

約数和(自身を含む): 4196545920

約数和(自身を除く): 2338770380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 193, 292, 347, 365, 380, 386, 694, 730, 772, 965, 1387, 1388, 1460, 1735, 1930, 2774, 3470, 3667, 3860, 5548, 6593, 6935, 6940, 7334, 13186, 13870, 14089, 14668, 18335, 25331, 26372, 27740, 28178, 32965, 36670, 50662, 56356, 65930, 66971, 70445, 73340, 101324, 126655, 131860, 133942, 140890, 253310, 267691, 267884, 281780, 334855, 481289, 506620, 535382, 669710, 962578, 1070764, 1272449, 1338455, 1339420, 1925156, 2406445, 2544898, 2676910, 4812890, 4888883, 5089796, 5353820, 6362245, 9625780, 9777766, 12724490, 19555532, 24444415, 25448980, 48888830, 92888777, 97777660, 185777554, 371555108, 464443885, 928887770, 1857775540]

約数ペア:

[(1, 1857775540), (2, 928887770), (4, 464443885), (5, 371555108), (10, 185777554), (19, 97777660), (20, 92888777), (38, 48888830), (73, 25448980), (76, 24444415), (95, 19555532), (146, 12724490), (190, 9777766), (193, 9625780), (292, 6362245), (347, 5353820), (365, 5089796), (380, 4888883), (386, 4812890), (694, 2676910), (730, 2544898), (772, 2406445), (965, 1925156), (1387, 1339420), (1388, 1338455), (1460, 1272449), (1735, 1070764), (1930, 962578), (2774, 669710), (3470, 535382), (3667, 506620), (3860, 481289), (5548, 334855), (6593, 281780), (6935, 267884), (6940, 267691), (7334, 253310), (13186, 140890), (13870, 133942), (14089, 131860), (14668, 126655), (18335, 101324), (25331, 73340), (26372, 70445), (27740, 66971), (28178, 65930), (32965, 56356), (36670, 50662)]