30437780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{409}}^1$

素因数の和:540

約数の個数: 36

約数和(自身を含む): 65143260

約数和(自身を除く): 34705480

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 409, 610, 818, 1220, 1636, 2045, 3721, 4090, 7442, 8180, 14884, 18605, 24949, 37210, 49898, 74420, 99796, 124745, 249490, 498980, 1521889, 3043778, 6087556, 7609445, 15218890, 30437780]

約数ペア:

[(1, 30437780), (2, 15218890), (4, 7609445), (5, 6087556), (10, 3043778), (20, 1521889), (61, 498980), (122, 249490), (244, 124745), (305, 99796), (409, 74420), (610, 49898), (818, 37210), (1220, 24949), (1636, 18605), (2045, 14884), (3721, 8180), (4090, 7442)]