55125420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131251}}^1$

素因数の和:131270

約数の個数: 48

約数和(自身を含む): 176402688

約数和(自身を除く): 121277268

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, 131251, 262502, 393753, 525004, 656255, 787506, 918757, 1312510, 1575012, 1837514, 1968765, 2625020, 2756271, 3675028, 3937530, 4593785, 5512542, 7875060, 9187570, 11025084, 13781355, 18375140, 27562710, 55125420]

約数ペア:

[(1, 55125420), (2, 27562710), (3, 18375140), (4, 13781355), (5, 11025084), (6, 9187570), (7, 7875060), (10, 5512542), (12, 4593785), (14, 3937530), (15, 3675028), (20, 2756271), (21, 2625020), (28, 1968765), (30, 1837514), (35, 1575012), (42, 1312510), (60, 918757), (70, 787506), (84, 656255), (105, 525004), (140, 393753), (210, 262502), (420, 131251)]