2040388420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{90523}}^1$

素因数の和:90569

約数の個数: 72

約数和(自身を含む): 5201146944

約数和(自身を除く): 3160758524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 11270, 22540, 90523, 181046, 362092, 452615, 633661, 905230, 1267322, 1810460, 2082029, 2534644, 3168305, 4164058, 4435627, 6336610, 8328116, 8871254, 10410145, 12673220, 14574203, 17742508, 20820290, 22178135, 29148406, 41640580, 44356270, 58296812, 72871015, 88712540, 102019421, 145742030, 204038842, 291484060, 408077684, 510097105, 1020194210, 2040388420]

約数ペア:

[(1, 2040388420), (2, 1020194210), (4, 510097105), (5, 408077684), (7, 291484060), (10, 204038842), (14, 145742030), (20, 102019421), (23, 88712540), (28, 72871015), (35, 58296812), (46, 44356270), (49, 41640580), (70, 29148406), (92, 22178135), (98, 20820290), (115, 17742508), (140, 14574203), (161, 12673220), (196, 10410145), (230, 8871254), (245, 8328116), (322, 6336610), (460, 4435627), (490, 4164058), (644, 3168305), (805, 2534644), (980, 2082029), (1127, 1810460), (1610, 1267322), (2254, 905230), (3220, 633661), (4508, 452615), (5635, 362092), (11270, 181046), (22540, 90523)]