419639870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{3359}}^1$

素因数の和:3441

約数の個数: 48

約数和(自身を含む): 840792960

約数和(自身を除く): 421153090

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 961, 1922, 2015, 3359, 4030, 4805, 6718, 9610, 12493, 16795, 24986, 33590, 43667, 62465, 87334, 104129, 124930, 208258, 218335, 436670, 520645, 1041290, 1353677, 2707354, 3227999, 6455998, 6768385, 13536770, 16139995, 32279990, 41963987, 83927974, 209819935, 419639870]

約数ペア:

[(1, 419639870), (2, 209819935), (5, 83927974), (10, 41963987), (13, 32279990), (26, 16139995), (31, 13536770), (62, 6768385), (65, 6455998), (130, 3227999), (155, 2707354), (310, 1353677), (403, 1041290), (806, 520645), (961, 436670), (1922, 218335), (2015, 208258), (3359, 124930), (4030, 104129), (4805, 87334), (6718, 62465), (9610, 43667), (12493, 33590), (16795, 24986)]