2141771720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2053}}^1\times {\mathrm{2371}}^1$

素因数の和:4446

約数の個数: 64

約数和(自身を含む): 5261855040

約数和(自身を除く): 3120083320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2053, 2371, 4106, 4742, 8212, 9484, 10265, 11855, 16424, 18968, 20530, 22583, 23710, 26081, 41060, 45166, 47420, 52162, 82120, 90332, 94840, 104324, 112915, 130405, 180664, 208648, 225830, 260810, 451660, 521620, 903320, 1043240, 4867663, 9735326, 19470652, 24338315, 38941304, 48676630, 53544293, 97353260, 107088586, 194706520, 214177172, 267721465, 428354344, 535442930, 1070885860, 2141771720]

約数ペア:

[(1, 2141771720), (2, 1070885860), (4, 535442930), (5, 428354344), (8, 267721465), (10, 214177172), (11, 194706520), (20, 107088586), (22, 97353260), (40, 53544293), (44, 48676630), (55, 38941304), (88, 24338315), (110, 19470652), (220, 9735326), (440, 4867663), (2053, 1043240), (2371, 903320), (4106, 521620), (4742, 451660), (8212, 260810), (9484, 225830), (10265, 208648), (11855, 180664), (16424, 130405), (18968, 112915), (20530, 104324), (22583, 94840), (23710, 90332), (26081, 82120), (41060, 52162), (45166, 47420)]