977278319980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1289}}^1\times {\mathrm{533921}}^1$

素因数の和:535290

約数の個数: 48

約数和(自身を含む): 2082808365120

約数和(自身を除く): 1105530045140

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1289, 1420, 2578, 5156, 6445, 12890, 25780, 91519, 183038, 366076, 457595, 533921, 915190, 1067842, 1830380, 2135684, 2669605, 5339210, 10678420, 37908391, 75816782, 151633564, 189541955, 379083910, 688224169, 758167820, 1376448338, 2752896676, 3441120845, 6882241690, 13764483380, 48863915999, 97727831998, 195455663996, 244319579995, 488639159990, 977278319980]

約数ペア:

[(1, 977278319980), (2, 488639159990), (4, 244319579995), (5, 195455663996), (10, 97727831998), (20, 48863915999), (71, 13764483380), (142, 6882241690), (284, 3441120845), (355, 2752896676), (710, 1376448338), (1289, 758167820), (1420, 688224169), (2578, 379083910), (5156, 189541955), (6445, 151633564), (12890, 75816782), (25780, 37908391), (91519, 10678420), (183038, 5339210), (366076, 2669605), (457595, 2135684), (533921, 1830380), (915190, 1067842)]