210344420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73547}}^1$

素因数の和:73580

約数の個数: 48

約数和(自身を含む): 518954688

約数和(自身を除く): 308610268

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 73547, 147094, 294188, 367735, 735470, 809017, 956111, 1470940, 1618034, 1912222, 3236068, 3824444, 4045085, 4780555, 8090170, 9561110, 10517221, 16180340, 19122220, 21034442, 42068884, 52586105, 105172210, 210344420]

約数ペア:

[(1, 210344420), (2, 105172210), (4, 52586105), (5, 42068884), (10, 21034442), (11, 19122220), (13, 16180340), (20, 10517221), (22, 9561110), (26, 8090170), (44, 4780555), (52, 4045085), (55, 3824444), (65, 3236068), (110, 1912222), (130, 1618034), (143, 1470940), (220, 956111), (260, 809017), (286, 735470), (572, 367735), (715, 294188), (1430, 147094), (2860, 73547)]