1400405440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{625181}}^1$

素因数の和:625205

約数の個数: 56

約数和(自身を含む): 3811109472

約数和(自身を除く): 2410704032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 625181, 1250362, 2500724, 3125905, 4376267, 5001448, 6251810, 8752534, 10002896, 12503620, 17505068, 20005792, 21881335, 25007240, 35010136, 40011584, 43762670, 50014480, 70020272, 87525340, 100028960, 140040544, 175050680, 200057920, 280081088, 350101360, 700202720, 1400405440]

約数ペア:

[(1, 1400405440), (2, 700202720), (4, 350101360), (5, 280081088), (7, 200057920), (8, 175050680), (10, 140040544), (14, 100028960), (16, 87525340), (20, 70020272), (28, 50014480), (32, 43762670), (35, 40011584), (40, 35010136), (56, 25007240), (64, 21881335), (70, 20005792), (80, 17505068), (112, 12503620), (140, 10002896), (160, 8752534), (224, 6251810), (280, 5001448), (320, 4376267), (448, 3125905), (560, 2500724), (1120, 1250362), (2240, 625181)]