139290340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1597}}^1$

素因数の和:1709

約数の個数: 72

約数和(自身を含む): 344305080

約数和(自身を除く): 205014740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 890, 980, 1246, 1597, 1780, 2492, 3115, 3194, 4361, 6230, 6388, 7985, 8722, 11179, 12460, 15970, 17444, 21805, 22358, 31940, 43610, 44716, 55895, 78253, 87220, 111790, 142133, 156506, 223580, 284266, 313012, 391265, 568532, 710665, 782530, 994931, 1421330, 1565060, 1989862, 2842660, 3979724, 4974655, 6964517, 9949310, 13929034, 19898620, 27858068, 34822585, 69645170, 139290340]

約数ペア:

[(1, 139290340), (2, 69645170), (4, 34822585), (5, 27858068), (7, 19898620), (10, 13929034), (14, 9949310), (20, 6964517), (28, 4974655), (35, 3979724), (49, 2842660), (70, 1989862), (89, 1565060), (98, 1421330), (140, 994931), (178, 782530), (196, 710665), (245, 568532), (356, 391265), (445, 313012), (490, 284266), (623, 223580), (890, 156506), (980, 142133), (1246, 111790), (1597, 87220), (1780, 78253), (2492, 55895), (3115, 44716), (3194, 43610), (4361, 31940), (6230, 22358), (6388, 21805), (7985, 17444), (8722, 15970), (11179, 12460)]