253107540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{28697}}^1$

素因数の和:28726

約数の個数: 108

約数和(自身を含む): 893139156

約数和(自身を除く): 640031616

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 28697, 57394, 86091, 114788, 143485, 172182, 200879, 258273, 286970, 344364, 401758, 430455, 516546, 573940, 602637, 803516, 860910, 1004395, 1033092, 1205274, 1291365, 1406153, 1721820, 1807911, 2008790, 2410548, 2582730, 2812306, 3013185, 3615822, 4017580, 4218459, 5165460, 5624612, 6026370, 7030765, 7231644, 8436918, 9039555, 12052740, 12655377, 14061530, 16873836, 18079110, 21092295, 25310754, 28123060, 36158220, 42184590, 50621508, 63276885, 84369180, 126553770, 253107540]

約数ペア:

[(1, 253107540), (2, 126553770), (3, 84369180), (4, 63276885), (5, 50621508), (6, 42184590), (7, 36158220), (9, 28123060), (10, 25310754), (12, 21092295), (14, 18079110), (15, 16873836), (18, 14061530), (20, 12655377), (21, 12052740), (28, 9039555), (30, 8436918), (35, 7231644), (36, 7030765), (42, 6026370), (45, 5624612), (49, 5165460), (60, 4218459), (63, 4017580), (70, 3615822), (84, 3013185), (90, 2812306), (98, 2582730), (105, 2410548), (126, 2008790), (140, 1807911), (147, 1721820), (180, 1406153), (196, 1291365), (210, 1205274), (245, 1033092), (252, 1004395), (294, 860910), (315, 803516), (420, 602637), (441, 573940), (490, 516546), (588, 430455), (630, 401758), (735, 344364), (882, 286970), (980, 258273), (1260, 200879), (1470, 172182), (1764, 143485), (2205, 114788), (2940, 86091), (4410, 57394), (8820, 28697)]