200807420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21227}}^1$

素因数の和:21290

約数の個数: 48

約数和(自身を含む): 470752128

約数和(自身を除く): 269944708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 21227, 42454, 84908, 106135, 212270, 233497, 424540, 466994, 912761, 933988, 1167485, 1825522, 2334970, 3651044, 4563805, 4669940, 9127610, 10040371, 18255220, 20080742, 40161484, 50201855, 100403710, 200807420]

約数ペア:

[(1, 200807420), (2, 100403710), (4, 50201855), (5, 40161484), (10, 20080742), (11, 18255220), (20, 10040371), (22, 9127610), (43, 4669940), (44, 4563805), (55, 3651044), (86, 2334970), (110, 1825522), (172, 1167485), (215, 933988), (220, 912761), (430, 466994), (473, 424540), (860, 233497), (946, 212270), (1892, 106135), (2365, 84908), (4730, 42454), (9460, 21227)]