204181810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4091}}^1$

素因数の和:4159

約数の個数: 64

約数和(自身を含む): 452542464

約数和(自身を除く): 248360654

約数列:

[1, 2, 5, 7, 10, 14, 23, 31, 35, 46, 62, 70, 115, 155, 161, 217, 230, 310, 322, 434, 713, 805, 1085, 1426, 1610, 2170, 3565, 4091, 4991, 7130, 8182, 9982, 20455, 24955, 28637, 40910, 49910, 57274, 94093, 126821, 143185, 188186, 253642, 286370, 470465, 634105, 658651, 887747, 940930, 1268210, 1317302, 1775494, 2916883, 3293255, 4438735, 5833766, 6586510, 8877470, 14584415, 20418181, 29168830, 40836362, 102090905, 204181810]

約数ペア:

[(1, 204181810), (2, 102090905), (5, 40836362), (7, 29168830), (10, 20418181), (14, 14584415), (23, 8877470), (31, 6586510), (35, 5833766), (46, 4438735), (62, 3293255), (70, 2916883), (115, 1775494), (155, 1317302), (161, 1268210), (217, 940930), (230, 887747), (310, 658651), (322, 634105), (434, 470465), (713, 286370), (805, 253642), (1085, 188186), (1426, 143185), (1610, 126821), (2170, 94093), (3565, 57274), (4091, 49910), (4991, 40910), (7130, 28637), (8182, 24955), (9982, 20455)]