87220890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10889}}^1$

素因数の和:10991

約数の個数: 48

約数和(自身を含む): 229343400

約数和(自身を除く): 142122510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2670, 4005, 8010, 10889, 21778, 32667, 54445, 65334, 98001, 108890, 163335, 196002, 326670, 490005, 969121, 980010, 1938242, 2907363, 4845605, 5814726, 8722089, 9691210, 14536815, 17444178, 29073630, 43610445, 87220890]

約数ペア:

[(1, 87220890), (2, 43610445), (3, 29073630), (5, 17444178), (6, 14536815), (9, 9691210), (10, 8722089), (15, 5814726), (18, 4845605), (30, 2907363), (45, 1938242), (89, 980010), (90, 969121), (178, 490005), (267, 326670), (445, 196002), (534, 163335), (801, 108890), (890, 98001), (1335, 65334), (1602, 54445), (2670, 32667), (4005, 21778), (8010, 10889)]