260627780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 643507200

約数和(自身を除く): 382879420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 139, 140, 227, 236, 278, 295, 413, 454, 556, 590, 695, 826, 908, 973, 1135, 1180, 1390, 1589, 1652, 1946, 2065, 2270, 2780, 3178, 3892, 4130, 4540, 4865, 6356, 7945, 8201, 8260, 9730, 13393, 15890, 16402, 19460, 26786, 31553, 31780, 32804, 41005, 53572, 57407, 63106, 66965, 82010, 93751, 114814, 126212, 133930, 157765, 164020, 187502, 220871, 229628, 267860, 287035, 315530, 375004, 441742, 468755, 574070, 631060, 883484, 937510, 1104355, 1148140, 1861627, 1875020, 2208710, 3723254, 4417420, 7446508, 9308135, 13031389, 18616270, 26062778, 37232540, 52125556, 65156945, 130313890, 260627780]

約数ペア:

[(1, 260627780), (2, 130313890), (4, 65156945), (5, 52125556), (7, 37232540), (10, 26062778), (14, 18616270), (20, 13031389), (28, 9308135), (35, 7446508), (59, 4417420), (70, 3723254), (118, 2208710), (139, 1875020), (140, 1861627), (227, 1148140), (236, 1104355), (278, 937510), (295, 883484), (413, 631060), (454, 574070), (556, 468755), (590, 441742), (695, 375004), (826, 315530), (908, 287035), (973, 267860), (1135, 229628), (1180, 220871), (1390, 187502), (1589, 164020), (1652, 157765), (1946, 133930), (2065, 126212), (2270, 114814), (2780, 93751), (3178, 82010), (3892, 66965), (4130, 63106), (4540, 57407), (4865, 53572), (6356, 41005), (7945, 32804), (8201, 31780), (8260, 31553), (9730, 26786), (13393, 19460), (15890, 16402)]