19703670170

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1\times {\mathrm{727}}^1$

素因数の和:1215

約数の個数: 64

約数和(自身を含む): 36398509056

約数和(自身を除く): 16694838886

約数列:

[1, 2, 5, 10, 73, 137, 146, 271, 274, 365, 542, 685, 727, 730, 1355, 1370, 1454, 2710, 3635, 7270, 10001, 19783, 20002, 37127, 39566, 50005, 53071, 74254, 98915, 99599, 100010, 106142, 185635, 197017, 197830, 199198, 265355, 371270, 394034, 497995, 530710, 985085, 995990, 1970170, 2710271, 5420542, 7270727, 13551355, 14382241, 14541454, 26991329, 27102710, 28764482, 36353635, 53982658, 71911205, 72707270, 134956645, 143822410, 269913290, 1970367017, 3940734034, 9851835085, 19703670170]

約数ペア:

[(1, 19703670170), (2, 9851835085), (5, 3940734034), (10, 1970367017), (73, 269913290), (137, 143822410), (146, 134956645), (271, 72707270), (274, 71911205), (365, 53982658), (542, 36353635), (685, 28764482), (727, 27102710), (730, 26991329), (1355, 14541454), (1370, 14382241), (1454, 13551355), (2710, 7270727), (3635, 5420542), (7270, 2710271), (10001, 1970170), (19783, 995990), (20002, 985085), (37127, 530710), (39566, 497995), (50005, 394034), (53071, 371270), (74254, 265355), (98915, 199198), (99599, 197830), (100010, 197017), (106142, 185635)]