420106260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1000253}}^1$

素因数の和:1000272

約数の個数: 48

約数和(自身を含む): 1344341376

約数和(自身を除く): 924235116

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, 1000253, 2000506, 3000759, 4001012, 5001265, 6001518, 7001771, 10002530, 12003036, 14003542, 15003795, 20005060, 21005313, 28007084, 30007590, 35008855, 42010626, 60015180, 70017710, 84021252, 105026565, 140035420, 210053130, 420106260]

約数ペア:

[(1, 420106260), (2, 210053130), (3, 140035420), (4, 105026565), (5, 84021252), (6, 70017710), (7, 60015180), (10, 42010626), (12, 35008855), (14, 30007590), (15, 28007084), (20, 21005313), (21, 20005060), (28, 15003795), (30, 14003542), (35, 12003036), (42, 10002530), (60, 7001771), (70, 6001518), (84, 5001265), (105, 4001012), (140, 3000759), (210, 2000506), (420, 1000253)]