978346740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{3739}}^1$

素因数の和:3854

約数の個数: 144

約数和(自身を含む): 3223281600

約数和(自身を除く): 2244934860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 89, 98, 105, 140, 147, 178, 196, 210, 245, 267, 294, 356, 420, 445, 490, 534, 588, 623, 735, 890, 980, 1068, 1246, 1335, 1470, 1780, 1869, 2492, 2670, 2940, 3115, 3738, 3739, 4361, 5340, 6230, 7476, 7478, 8722, 9345, 11217, 12460, 13083, 14956, 17444, 18690, 18695, 21805, 22434, 26166, 26173, 37380, 37390, 43610, 44868, 52332, 52346, 56085, 65415, 74780, 78519, 87220, 104692, 112170, 130830, 130865, 157038, 183211, 224340, 261660, 261730, 314076, 332771, 366422, 392595, 523460, 549633, 665542, 732844, 785190, 916055, 998313, 1099266, 1331084, 1570380, 1663855, 1832110, 1996626, 2198532, 2329397, 2748165, 3327710, 3664220, 3993252, 4658794, 4991565, 5496330, 6655420, 6988191, 9317588, 9983130, 10992660, 11646985, 13976382, 16305779, 19966260, 23293970, 27952764, 32611558, 34940955, 46587940, 48917337, 65223116, 69881910, 81528895, 97834674, 139763820, 163057790, 195669348, 244586685, 326115580, 489173370, 978346740]

約数ペア:

[(1, 978346740), (2, 489173370), (3, 326115580), (4, 244586685), (5, 195669348), (6, 163057790), (7, 139763820), (10, 97834674), (12, 81528895), (14, 69881910), (15, 65223116), (20, 48917337), (21, 46587940), (28, 34940955), (30, 32611558), (35, 27952764), (42, 23293970), (49, 19966260), (60, 16305779), (70, 13976382), (84, 11646985), (89, 10992660), (98, 9983130), (105, 9317588), (140, 6988191), (147, 6655420), (178, 5496330), (196, 4991565), (210, 4658794), (245, 3993252), (267, 3664220), (294, 3327710), (356, 2748165), (420, 2329397), (445, 2198532), (490, 1996626), (534, 1832110), (588, 1663855), (623, 1570380), (735, 1331084), (890, 1099266), (980, 998313), (1068, 916055), (1246, 785190), (1335, 732844), (1470, 665542), (1780, 549633), (1869, 523460), (2492, 392595), (2670, 366422), (2940, 332771), (3115, 314076), (3738, 261730), (3739, 261660), (4361, 224340), (5340, 183211), (6230, 157038), (7476, 130865), (7478, 130830), (8722, 112170), (9345, 104692), (11217, 87220), (12460, 78519), (13083, 74780), (14956, 65415), (17444, 56085), (18690, 52346), (18695, 52332), (21805, 44868), (22434, 43610), (26166, 37390), (26173, 37380)]