84208040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{300743}}^1$

素因数の和:300761

約数の個数: 32

約数和(自身を含む): 216535680

約数和(自身を除く): 132327640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 300743, 601486, 1202972, 1503715, 2105201, 2405944, 3007430, 4210402, 6014860, 8420804, 10526005, 12029720, 16841608, 21052010, 42104020, 84208040]

約数ペア:

[(1, 84208040), (2, 42104020), (4, 21052010), (5, 16841608), (7, 12029720), (8, 10526005), (10, 8420804), (14, 6014860), (20, 4210402), (28, 3007430), (35, 2405944), (40, 2105201), (56, 1503715), (70, 1202972), (140, 601486), (280, 300743)]