2080920100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{743}}^1\times {\mathrm{4001}}^1$

素因数の和:4765

約数の個数: 72

約数和(自身を含む): 5168919168

約数和(自身を除く): 3087999068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 743, 1486, 2972, 3715, 4001, 5201, 7430, 8002, 10402, 14860, 16004, 18575, 20005, 20804, 26005, 28007, 37150, 40010, 52010, 56014, 74300, 80020, 100025, 104020, 112028, 130025, 140035, 200050, 260050, 280070, 400100, 520100, 560140, 700175, 1400350, 2800700, 2972743, 5945486, 11890972, 14863715, 20809201, 29727430, 41618402, 59454860, 74318575, 83236804, 104046005, 148637150, 208092010, 297274300, 416184020, 520230025, 1040460050, 2080920100]

約数ペア:

[(1, 2080920100), (2, 1040460050), (4, 520230025), (5, 416184020), (7, 297274300), (10, 208092010), (14, 148637150), (20, 104046005), (25, 83236804), (28, 74318575), (35, 59454860), (50, 41618402), (70, 29727430), (100, 20809201), (140, 14863715), (175, 11890972), (350, 5945486), (700, 2972743), (743, 2800700), (1486, 1400350), (2972, 700175), (3715, 560140), (4001, 520100), (5201, 400100), (7430, 280070), (8002, 260050), (10402, 200050), (14860, 140035), (16004, 130025), (18575, 112028), (20005, 104020), (20804, 100025), (26005, 80020), (28007, 74300), (37150, 56014), (40010, 52010)]