387986480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{1061}}^1$

素因数の和:1734

約数の個数: 80

約数和(自身を含む): 1033487424

約数和(自身を除く): 645500944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 653, 1061, 1306, 2122, 2612, 3265, 4244, 4571, 5224, 5305, 6530, 7427, 8488, 9142, 10448, 10610, 13060, 14854, 16976, 18284, 21220, 22855, 26120, 29708, 36568, 37135, 42440, 45710, 52240, 59416, 73136, 74270, 84880, 91420, 118832, 148540, 182840, 297080, 365680, 594160, 692833, 1385666, 2771332, 3464165, 4849831, 5542664, 6928330, 9699662, 11085328, 13856660, 19399324, 24249155, 27713320, 38798648, 48498310, 55426640, 77597296, 96996620, 193993240, 387986480]

約数ペア:

[(1, 387986480), (2, 193993240), (4, 96996620), (5, 77597296), (7, 55426640), (8, 48498310), (10, 38798648), (14, 27713320), (16, 24249155), (20, 19399324), (28, 13856660), (35, 11085328), (40, 9699662), (56, 6928330), (70, 5542664), (80, 4849831), (112, 3464165), (140, 2771332), (280, 1385666), (560, 692833), (653, 594160), (1061, 365680), (1306, 297080), (2122, 182840), (2612, 148540), (3265, 118832), (4244, 91420), (4571, 84880), (5224, 74270), (5305, 73136), (6530, 59416), (7427, 52240), (8488, 45710), (9142, 42440), (10448, 37135), (10610, 36568), (13060, 29708), (14854, 26120), (16976, 22855), (18284, 21220)]