205465210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{28817}}^1$

素因数の和:28878

約数の個数: 32

約数和(自身を含む): 398380032

約数和(自身を除く): 192914822

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1426, 3565, 7130, 28817, 57634, 144085, 288170, 662791, 893327, 1325582, 1786654, 3313955, 4466635, 6627910, 8933270, 20546521, 41093042, 102732605, 205465210]

約数ペア:

[(1, 205465210), (2, 102732605), (5, 41093042), (10, 20546521), (23, 8933270), (31, 6627910), (46, 4466635), (62, 3313955), (115, 1786654), (155, 1325582), (230, 893327), (310, 662791), (713, 288170), (1426, 144085), (3565, 57634), (7130, 28817)]