865361860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{64483}}^1$

素因数の和:64564

約数の個数: 48

約数和(自身を含む): 2014996032

約数和(自身を除く): 1149634172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 64483, 128966, 257932, 322415, 644830, 709313, 1289660, 1418626, 2837252, 3546565, 3933463, 7093130, 7866926, 14186260, 15733852, 19667315, 39334630, 43268093, 78669260, 86536186, 173072372, 216340465, 432680930, 865361860]

約数ペア:

[(1, 865361860), (2, 432680930), (4, 216340465), (5, 173072372), (10, 86536186), (11, 78669260), (20, 43268093), (22, 39334630), (44, 19667315), (55, 15733852), (61, 14186260), (110, 7866926), (122, 7093130), (220, 3933463), (244, 3546565), (305, 2837252), (610, 1418626), (671, 1289660), (1220, 709313), (1342, 644830), (2684, 322415), (3355, 257932), (6710, 128966), (13420, 64483)]