204480340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{1217}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 445261824

約数和(自身を除く): 240781484

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 271, 310, 542, 620, 1084, 1217, 1355, 2434, 2710, 4868, 5420, 6085, 8401, 12170, 16802, 24340, 33604, 37727, 42005, 75454, 84010, 150908, 168020, 188635, 329807, 377270, 659614, 754540, 1319228, 1649035, 3298070, 6596140, 10224017, 20448034, 40896068, 51120085, 102240170, 204480340]

約数ペア:

[(1, 204480340), (2, 102240170), (4, 51120085), (5, 40896068), (10, 20448034), (20, 10224017), (31, 6596140), (62, 3298070), (124, 1649035), (155, 1319228), (271, 754540), (310, 659614), (542, 377270), (620, 329807), (1084, 188635), (1217, 168020), (1355, 150908), (2434, 84010), (2710, 75454), (4868, 42005), (5420, 37727), (6085, 33604), (8401, 24340), (12170, 16802)]