13218487940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{3167}}^1\times {\mathrm{4259}}^1$

素因数の和:7449

約数の個数: 72

約数和(自身を含む): 32308657920

約数和(自身を除く): 19090169980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 3167, 4259, 6334, 8518, 12668, 15835, 17036, 21295, 22169, 29813, 31670, 42590, 44338, 59626, 63340, 85180, 88676, 110845, 119252, 149065, 155183, 208691, 221690, 298130, 310366, 417382, 443380, 596260, 620732, 775915, 834764, 1043455, 1551830, 2086910, 3103660, 4173820, 13488253, 26976506, 53953012, 67441265, 94417771, 134882530, 188835542, 269765060, 377671084, 472088855, 660924397, 944177710, 1321848794, 1888355420, 2643697588, 3304621985, 6609243970, 13218487940]

約数ペア:

[(1, 13218487940), (2, 6609243970), (4, 3304621985), (5, 2643697588), (7, 1888355420), (10, 1321848794), (14, 944177710), (20, 660924397), (28, 472088855), (35, 377671084), (49, 269765060), (70, 188835542), (98, 134882530), (140, 94417771), (196, 67441265), (245, 53953012), (490, 26976506), (980, 13488253), (3167, 4173820), (4259, 3103660), (6334, 2086910), (8518, 1551830), (12668, 1043455), (15835, 834764), (17036, 775915), (21295, 620732), (22169, 596260), (29813, 443380), (31670, 417382), (42590, 310366), (44338, 298130), (59626, 221690), (63340, 208691), (85180, 155183), (88676, 149065), (110845, 119252)]