178250930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4021}}^1$

素因数の和:4083

約数の個数: 64

約数和(自身を含む): 389200896

約数和(自身を除く): 210949966

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 682, 715, 806, 1430, 1705, 2015, 3410, 4021, 4030, 4433, 8042, 8866, 20105, 22165, 40210, 44231, 44330, 52273, 88462, 104546, 124651, 221155, 249302, 261365, 442310, 522730, 575003, 623255, 1150006, 1246510, 1371161, 1620463, 2742322, 2875015, 3240926, 5750030, 6855805, 8102315, 13711610, 16204630, 17825093, 35650186, 89125465, 178250930]

約数ペア:

[(1, 178250930), (2, 89125465), (5, 35650186), (10, 17825093), (11, 16204630), (13, 13711610), (22, 8102315), (26, 6855805), (31, 5750030), (55, 3240926), (62, 2875015), (65, 2742322), (110, 1620463), (130, 1371161), (143, 1246510), (155, 1150006), (286, 623255), (310, 575003), (341, 522730), (403, 442310), (682, 261365), (715, 249302), (806, 221155), (1430, 124651), (1705, 104546), (2015, 88462), (3410, 52273), (4021, 44330), (4030, 44231), (4433, 40210), (8042, 22165), (8866, 20105)]