819848920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{4447}}^1$

素因数の和:4888

約数の個数: 64

約数和(自身を含む): 2017612800

約数和(自身を除く): 1197763880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 419, 440, 838, 1676, 2095, 3352, 4190, 4447, 4609, 8380, 8894, 9218, 16760, 17788, 18436, 22235, 23045, 35576, 36872, 44470, 46090, 48917, 88940, 92180, 97834, 177880, 184360, 195668, 244585, 391336, 489170, 978340, 1863293, 1956680, 3726586, 7453172, 9316465, 14906344, 18632930, 20496223, 37265860, 40992446, 74531720, 81984892, 102481115, 163969784, 204962230, 409924460, 819848920]

約数ペア:

[(1, 819848920), (2, 409924460), (4, 204962230), (5, 163969784), (8, 102481115), (10, 81984892), (11, 74531720), (20, 40992446), (22, 37265860), (40, 20496223), (44, 18632930), (55, 14906344), (88, 9316465), (110, 7453172), (220, 3726586), (419, 1956680), (440, 1863293), (838, 978340), (1676, 489170), (2095, 391336), (3352, 244585), (4190, 195668), (4447, 184360), (4609, 177880), (8380, 97834), (8894, 92180), (9218, 88940), (16760, 48917), (17788, 46090), (18436, 44470), (22235, 36872), (23045, 35576)]