84407820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{200971}}^1$

素因数の和:200990

約数の個数: 48

約数和(自身を含む): 270106368

約数和(自身を除く): 185698548

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, 200971, 401942, 602913, 803884, 1004855, 1205826, 1406797, 2009710, 2411652, 2813594, 3014565, 4019420, 4220391, 5627188, 6029130, 7033985, 8440782, 12058260, 14067970, 16881564, 21101955, 28135940, 42203910, 84407820]

約数ペア:

[(1, 84407820), (2, 42203910), (3, 28135940), (4, 21101955), (5, 16881564), (6, 14067970), (7, 12058260), (10, 8440782), (12, 7033985), (14, 6029130), (15, 5627188), (20, 4220391), (21, 4019420), (28, 3014565), (30, 2813594), (35, 2411652), (42, 2009710), (60, 1406797), (70, 1205826), (84, 1004855), (105, 803884), (140, 602913), (210, 401942), (420, 200971)]