391405380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1291}}^1$

素因数の和:1497

約数の個数: 96

約数和(自身を含む): 1139109888

約数和(自身を除く): 747704508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 163, 186, 310, 326, 372, 465, 489, 620, 652, 815, 930, 978, 1291, 1630, 1860, 1956, 2445, 2582, 3260, 3873, 4890, 5053, 5164, 6455, 7746, 9780, 10106, 12910, 15159, 15492, 19365, 20212, 25265, 25820, 30318, 38730, 40021, 50530, 60636, 75795, 77460, 80042, 101060, 120063, 151590, 160084, 200105, 210433, 240126, 303180, 400210, 420866, 480252, 600315, 631299, 800420, 841732, 1052165, 1200630, 1262598, 2104330, 2401260, 2525196, 3156495, 4208660, 6312990, 6523423, 12625980, 13046846, 19570269, 26093692, 32617115, 39140538, 65234230, 78281076, 97851345, 130468460, 195702690, 391405380]

約数ペア:

[(1, 391405380), (2, 195702690), (3, 130468460), (4, 97851345), (5, 78281076), (6, 65234230), (10, 39140538), (12, 32617115), (15, 26093692), (20, 19570269), (30, 13046846), (31, 12625980), (60, 6523423), (62, 6312990), (93, 4208660), (124, 3156495), (155, 2525196), (163, 2401260), (186, 2104330), (310, 1262598), (326, 1200630), (372, 1052165), (465, 841732), (489, 800420), (620, 631299), (652, 600315), (815, 480252), (930, 420866), (978, 400210), (1291, 303180), (1630, 240126), (1860, 210433), (1956, 200105), (2445, 160084), (2582, 151590), (3260, 120063), (3873, 101060), (4890, 80042), (5053, 77460), (5164, 75795), (6455, 60636), (7746, 50530), (9780, 40021), (10106, 38730), (12910, 30318), (15159, 25820), (15492, 25265), (19365, 20212)]