211324520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15493}}^1$

素因数の和:15546

約数の個数: 64

約数和(自身を含む): 535472640

約数和(自身を除く): 324148120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 15493, 30986, 61972, 77465, 123944, 154930, 170423, 309860, 340846, 480283, 619720, 681692, 852115, 960566, 1363384, 1704230, 1921132, 2401415, 3408460, 3842264, 4802830, 5283113, 6816920, 9605660, 10566226, 19211320, 21132452, 26415565, 42264904, 52831130, 105662260, 211324520]

約数ペア:

[(1, 211324520), (2, 105662260), (4, 52831130), (5, 42264904), (8, 26415565), (10, 21132452), (11, 19211320), (20, 10566226), (22, 9605660), (31, 6816920), (40, 5283113), (44, 4802830), (55, 3842264), (62, 3408460), (88, 2401415), (110, 1921132), (124, 1704230), (155, 1363384), (220, 960566), (248, 852115), (310, 681692), (341, 619720), (440, 480283), (620, 340846), (682, 309860), (1240, 170423), (1364, 154930), (1705, 123944), (2728, 77465), (3410, 61972), (6820, 30986), (13640, 15493)]