2028494020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{743}}^1\times {\mathrm{19501}}^1$

素因数の和:20260

約数の個数: 48

約数和(自身を含む): 4875187968

約数和(自身を除く): 2846693948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 743, 1486, 2972, 3715, 5201, 7430, 10402, 14860, 19501, 20804, 26005, 39002, 52010, 78004, 97505, 104020, 136507, 195010, 273014, 390020, 546028, 682535, 1365070, 2730140, 14489243, 28978486, 57956972, 72446215, 101424701, 144892430, 202849402, 289784860, 405698804, 507123505, 1014247010, 2028494020]

約数ペア:

[(1, 2028494020), (2, 1014247010), (4, 507123505), (5, 405698804), (7, 289784860), (10, 202849402), (14, 144892430), (20, 101424701), (28, 72446215), (35, 57956972), (70, 28978486), (140, 14489243), (743, 2730140), (1486, 1365070), (2972, 682535), (3715, 546028), (5201, 390020), (7430, 273014), (10402, 195010), (14860, 136507), (19501, 104020), (20804, 97505), (26005, 78004), (39002, 52010)]