1285337710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{643}}^1$

素因数の和:853

約数の個数: 64

約数和(自身を含む): 2457967680

約数和(自身を除く): 1172629970

約数列:

[1, 2, 5, 10, 29, 58, 61, 113, 122, 145, 226, 290, 305, 565, 610, 643, 1130, 1286, 1769, 3215, 3277, 3538, 6430, 6554, 6893, 8845, 13786, 16385, 17690, 18647, 32770, 34465, 37294, 39223, 68930, 72659, 78446, 93235, 145318, 186470, 196115, 199897, 363295, 392230, 399794, 726590, 999485, 1137467, 1998970, 2107111, 2274934, 4214222, 4432199, 5687335, 8864398, 10535555, 11374670, 21071110, 22160995, 44321990, 128533771, 257067542, 642668855, 1285337710]

約数ペア:

[(1, 1285337710), (2, 642668855), (5, 257067542), (10, 128533771), (29, 44321990), (58, 22160995), (61, 21071110), (113, 11374670), (122, 10535555), (145, 8864398), (226, 5687335), (290, 4432199), (305, 4214222), (565, 2274934), (610, 2107111), (643, 1998970), (1130, 1137467), (1286, 999485), (1769, 726590), (3215, 399794), (3277, 392230), (3538, 363295), (6430, 199897), (6554, 196115), (6893, 186470), (8845, 145318), (13786, 93235), (16385, 78446), (17690, 72659), (18647, 68930), (32770, 39223), (34465, 37294)]