1285451270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{5323}}^1$

素因数の和:5421

約数の個数: 64

約数和(自身を含む): 2575964160

約数和(自身を除く): 1290512890

約数列:

[1, 2, 5, 10, 19, 31, 38, 41, 62, 82, 95, 155, 190, 205, 310, 410, 589, 779, 1178, 1271, 1558, 2542, 2945, 3895, 5323, 5890, 6355, 7790, 10646, 12710, 24149, 26615, 48298, 53230, 101137, 120745, 165013, 202274, 218243, 241490, 330026, 436486, 505685, 825065, 1011370, 1091215, 1650130, 2182430, 3135247, 4146617, 6270494, 6765533, 8293234, 13531066, 15676235, 20733085, 31352470, 33827665, 41466170, 67655330, 128545127, 257090254, 642725635, 1285451270]

約数ペア:

[(1, 1285451270), (2, 642725635), (5, 257090254), (10, 128545127), (19, 67655330), (31, 41466170), (38, 33827665), (41, 31352470), (62, 20733085), (82, 15676235), (95, 13531066), (155, 8293234), (190, 6765533), (205, 6270494), (310, 4146617), (410, 3135247), (589, 2182430), (779, 1650130), (1178, 1091215), (1271, 1011370), (1558, 825065), (2542, 505685), (2945, 436486), (3895, 330026), (5323, 241490), (5890, 218243), (6355, 202274), (7790, 165013), (10646, 120745), (12710, 101137), (24149, 53230), (26615, 48298)]