194135540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^2$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 443187360

約数和(自身を除く): 249051820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 109, 172, 190, 215, 218, 380, 430, 436, 545, 817, 860, 1090, 1634, 2071, 2180, 3268, 4085, 4142, 4687, 8170, 8284, 9374, 10355, 11881, 16340, 18748, 20710, 23435, 23762, 41420, 46870, 47524, 59405, 89053, 93740, 118810, 178106, 225739, 237620, 356212, 445265, 451478, 510883, 890530, 902956, 1021766, 1128695, 1781060, 2043532, 2257390, 2554415, 4514780, 5108830, 9706777, 10217660, 19413554, 38827108, 48533885, 97067770, 194135540]

約数ペア:

[(1, 194135540), (2, 97067770), (4, 48533885), (5, 38827108), (10, 19413554), (19, 10217660), (20, 9706777), (38, 5108830), (43, 4514780), (76, 2554415), (86, 2257390), (95, 2043532), (109, 1781060), (172, 1128695), (190, 1021766), (215, 902956), (218, 890530), (380, 510883), (430, 451478), (436, 445265), (545, 356212), (817, 237620), (860, 225739), (1090, 178106), (1634, 118810), (2071, 93740), (2180, 89053), (3268, 59405), (4085, 47524), (4142, 46870), (4687, 41420), (8170, 23762), (8284, 23435), (9374, 20710), (10355, 18748), (11881, 16340)]