399691040

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{7283}}^1$

素因数の和:7319

約数の個数: 96

約数和(自身を含む): 1101340800

約数和(自身を除く): 701649760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1120, 1372, 1568, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 7283, 7840, 10976, 13720, 14566, 27440, 29132, 36415, 50981, 54880, 58264, 72830, 101962, 116528, 145660, 203924, 233056, 254905, 291320, 356867, 407848, 509810, 582640, 713734, 815696, 1019620, 1165280, 1427468, 1631392, 1784335, 2039240, 2498069, 2854936, 3568670, 4078480, 4996138, 5709872, 7137340, 8156960, 9992276, 11419744, 12490345, 14274680, 19984552, 24980690, 28549360, 39969104, 49961380, 57098720, 79938208, 99922760, 199845520, 399691040]

約数ペア:

[(1, 399691040), (2, 199845520), (4, 99922760), (5, 79938208), (7, 57098720), (8, 49961380), (10, 39969104), (14, 28549360), (16, 24980690), (20, 19984552), (28, 14274680), (32, 12490345), (35, 11419744), (40, 9992276), (49, 8156960), (56, 7137340), (70, 5709872), (80, 4996138), (98, 4078480), (112, 3568670), (140, 2854936), (160, 2498069), (196, 2039240), (224, 1784335), (245, 1631392), (280, 1427468), (343, 1165280), (392, 1019620), (490, 815696), (560, 713734), (686, 582640), (784, 509810), (980, 407848), (1120, 356867), (1372, 291320), (1568, 254905), (1715, 233056), (1960, 203924), (2744, 145660), (3430, 116528), (3920, 101962), (5488, 72830), (6860, 58264), (7283, 54880), (7840, 50981), (10976, 36415), (13720, 29132), (14566, 27440)]