212645940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:418

約数の個数: 144

約数和(自身を含む): 656445888

約数和(自身を除く): 443799948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 67, 78, 130, 134, 156, 169, 195, 201, 260, 268, 313, 335, 338, 390, 402, 507, 626, 670, 676, 780, 804, 845, 871, 939, 1005, 1014, 1252, 1340, 1565, 1690, 1742, 1878, 2010, 2028, 2535, 2613, 3130, 3380, 3484, 3756, 4020, 4069, 4355, 4695, 5070, 5226, 6260, 8138, 8710, 9390, 10140, 10452, 11323, 12207, 13065, 16276, 17420, 18780, 20345, 20971, 22646, 24414, 26130, 33969, 40690, 41942, 45292, 48828, 52260, 52897, 56615, 61035, 62913, 67938, 81380, 83884, 104855, 105794, 113230, 122070, 125826, 135876, 158691, 169845, 209710, 211588, 226460, 244140, 251652, 264485, 272623, 314565, 317382, 339690, 419420, 528970, 545246, 629130, 634764, 679380, 793455, 817869, 1057940, 1090492, 1258260, 1363115, 1586910, 1635738, 2726230, 3173820, 3271476, 3544099, 4089345, 5452460, 7088198, 8178690, 10632297, 14176396, 16357380, 17720495, 21264594, 35440990, 42529188, 53161485, 70881980, 106322970, 212645940]

約数ペア:

[(1, 212645940), (2, 106322970), (3, 70881980), (4, 53161485), (5, 42529188), (6, 35440990), (10, 21264594), (12, 17720495), (13, 16357380), (15, 14176396), (20, 10632297), (26, 8178690), (30, 7088198), (39, 5452460), (52, 4089345), (60, 3544099), (65, 3271476), (67, 3173820), (78, 2726230), (130, 1635738), (134, 1586910), (156, 1363115), (169, 1258260), (195, 1090492), (201, 1057940), (260, 817869), (268, 793455), (313, 679380), (335, 634764), (338, 629130), (390, 545246), (402, 528970), (507, 419420), (626, 339690), (670, 317382), (676, 314565), (780, 272623), (804, 264485), (845, 251652), (871, 244140), (939, 226460), (1005, 211588), (1014, 209710), (1252, 169845), (1340, 158691), (1565, 135876), (1690, 125826), (1742, 122070), (1878, 113230), (2010, 105794), (2028, 104855), (2535, 83884), (2613, 81380), (3130, 67938), (3380, 62913), (3484, 61035), (3756, 56615), (4020, 52897), (4069, 52260), (4355, 48828), (4695, 45292), (5070, 41942), (5226, 40690), (6260, 33969), (8138, 26130), (8710, 24414), (9390, 22646), (10140, 20971), (10452, 20345), (11323, 18780), (12207, 17420), (13065, 16276)]