1212527820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2886971}}^1$

素因数の和:2886990

約数の個数: 48

約数和(自身を含む): 3880090368

約数和(自身を除く): 2667562548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 2886971, 5773942, 8660913, 11547884, 14434855, 17321826, 20208797, 28869710, 34643652, 40417594, 43304565, 57739420, 60626391, 80835188, 86609130, 101043985, 121252782, 173218260, 202087970, 242505564, 303131955, 404175940, 606263910, 1212527820]

約数ペア:

[(1, 1212527820), (2, 606263910), (3, 404175940), (4, 303131955), (5, 242505564), (6, 202087970), (7, 173218260), (10, 121252782), (12, 101043985), (14, 86609130), (15, 80835188), (20, 60626391), (21, 57739420), (28, 43304565), (30, 40417594), (35, 34643652), (42, 28869710), (60, 20208797), (70, 17321826), (84, 14434855), (105, 11547884), (140, 8660913), (210, 5773942), (420, 2886971)]