2888891720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{505051}}^1$

素因数の和:505086

約数の個数: 64

約数和(自身を含む): 7636386240

約数和(自身を除く): 4747494520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 505051, 1010102, 2020204, 2525255, 4040408, 5050510, 5555561, 6565663, 10101020, 11111122, 13131326, 20202040, 22222244, 26262652, 27777805, 32828315, 44444488, 52525304, 55555610, 65656630, 72222293, 111111220, 131313260, 144444586, 222222440, 262626520, 288889172, 361111465, 577778344, 722222930, 1444445860, 2888891720]

約数ペア:

[(1, 2888891720), (2, 1444445860), (4, 722222930), (5, 577778344), (8, 361111465), (10, 288889172), (11, 262626520), (13, 222222440), (20, 144444586), (22, 131313260), (26, 111111220), (40, 72222293), (44, 65656630), (52, 55555610), (55, 52525304), (65, 44444488), (88, 32828315), (104, 27777805), (110, 26262652), (130, 22222244), (143, 20202040), (220, 13131326), (260, 11111122), (286, 10101020), (440, 6565663), (520, 5555561), (572, 5050510), (715, 4040408), (1144, 2525255), (1430, 2020204), (2860, 1010102), (5720, 505051)]